Mock Test 12 — IB ACIO Tier 1 Pattern (100 MCQs)
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Instructions: This test follows the exact IB ACIO Tier 1 pattern — 100 objective questions across five sections, each carrying one mark, with ¼ negative marking for every wrong answer. Time allowed: 60 minutes. Attempt all questions before checking the answer key at the end.
Section A: Current Affairs and Static GK (20 Questions)
The "PM Gati Shakti" master plan is aimed at: (a) Integrated infrastructure planning (b) Rural employment (c) Digital literacy (d) Agricultural credit
Which is the apex banking regulator in India? (a) Reserve Bank of India (b) SEBI (c) IRDAI (d) NABARD
The "Kargil Vijay Diwas" is observed on: (a) 26 July (b) 15 August (c) 16 December (d) 6 December
Which is the largest desert in India? (a) Thar Desert (b) Rann of Kutch (c) Cold Desert of Ladakh (d) Deccan Desert
The "Beti Bachao Beti Padhao" scheme was launched in which year? (a) 2015 (b) 2012 (c) 2018 (d) 2010
Which Indian scientist is associated with the Chandrasekhar Limit? (a) Subrahmanyan Chandrasekhar (b) C.V. Raman (c) Meghnad Saha (d) S.N. Bose
The "Financial Action Task Force" (FATF) primarily deals with: (a) Combating money laundering and terror financing (b) Trade tariffs (c) Currency exchange rates (d) Climate finance
Which Indian city hosts the National Police Academy? (a) Hyderabad (b) Pune (c) Dehradun (d) Bhopal
The "Pradhan Mantri Fasal Bima Yojana" relates to: (a) Crop insurance (b) Housing loans (c) Health insurance (d) Education loans
Which country is India's largest trading partner as of recent years? (a) United States (b) China (c) UAE (d) Russia
The "National Cyber Crime Reporting Portal" helpline number is: (a) 1930 (b) 1090 (c) 100 (d) 112
Which Indian city is known as the "Pink City"? (a) Jaipur (b) Udaipur (c) Jodhpur (d) Bikaner
The "Antyodaya Anna Yojana" targets: (a) The poorest of the poor families for subsidised food grains (b) Middle-class housing (c) Girl child education (d) Senior citizen pensions
Which is the apex institution for agricultural credit in India? (a) NABARD (b) SIDBI (c) SEBI (d) EXIM Bank
The "One Nation One Ration Card" scheme aims to: (a) Allow portability of ration cards across states (b) Provide free rations to all (c) Digitise land records (d) Standardise Aadhaar
Which Indian state has the highest forest cover by area? (a) Madhya Pradesh (b) Arunachal Pradesh (c) Chhattisgarh (d) Odisha
The "BRICS" grouping originally comprised Brazil, Russia, India, China, and: (a) South Africa (b) Indonesia (c) Mexico (d) Turkey
The "Ayushman Bharat" scheme primarily provides: (a) Health insurance coverage (b) Free medicines only (c) Free education (d) Housing subsidy
Which Indian city is the seat of the Election Commission of India? (a) New Delhi (b) Mumbai (c) Nagpur (d) Chandigarh
The "Sansad Adarsh Gram Yojana" is aimed at: (a) Village development by Members of Parliament (b) Urban renewal (c) Industrial corridors (d) Tourism promotion
Section B: General Studies (20 Questions)
The "Subsidiary Alliance System" was introduced by: (a) Lord Wellesley (b) Lord Cornwallis (c) Lord Dalhousie (d) Warren Hastings
Which Article provides for the Right to Education as a Fundamental Right? (a) Article 21A (b) Article 19 (c) Article 45 (d) Article 30
The "Aravalli Range" runs primarily through which states? (a) Rajasthan, Haryana, Delhi, Gujarat (b) Punjab, Himachal Pradesh (c) Madhya Pradesh, Maharashtra (d) Bihar, Jharkhand
The SI unit of energy is: (a) Joule (b) Newton (c) Watt (d) Pascal
"Inflation" is best defined as: (a) A sustained increase in the general price level over time (b) A decrease in the money supply (c) A rise in unemployment (d) An increase in exports
Which Mughal emperor is credited with introducing the "Mansabdari" system? (a) Akbar (b) Babur (c) Humayun (d) Jahangir
The "Dandi March" of 1930 was primarily a protest against: (a) The salt tax (b) The Rowlatt Act (c) The Partition of Bengal (d) Land revenue policy
Which part of the human eye controls the amount of light entering it? (a) Iris (b) Retina (c) Cornea (d) Lens
The "Western Ghats" run parallel to which coast of India? (a) The western coast (b) The eastern coast (c) Both coasts equally (d) Neither coast
The power to amend the Constitution is vested in: (a) Parliament (b) The President alone (c) The Supreme Court (d) State legislatures alone
Deficiency of Vitamin C causes which disease? (a) Scurvy (b) Rickets (c) Beriberi (d) Night blindness
The "Doctrine of Basic Structure" was propounded in which case? (a) Kesavananda Bharati case (b) Golaknath case (c) Minerva Mills case (d) Maneka Gandhi case
"Monetary policy" in India is formulated by: (a) The Reserve Bank of India (b) The Ministry of Finance (c) NITI Aayog (d) SEBI
Which of the following layers of the atmosphere contains the ozone layer? (a) Stratosphere (b) Troposphere (c) Mesosphere (d) Thermosphere
The Attorney General of India is appointed by: (a) The President (b) The Prime Minister (c) The Chief Justice of India (d) The Parliament
The "Loktak Lake," the largest freshwater lake in North-East India, is located in: (a) Manipur (b) Assam (c) Meghalaya (d) Tripura
India's Constitution describes the country as a Union of: (a) States (b) Provinces (c) Territories (d) Republics
Which of the following is grown primarily in the Rabi season? (a) Mustard (b) Rice (c) Jute (d) Cotton
The "Cripps Mission" came to India in which year? (a) 1942 (b) 1940 (c) 1945 (d) 1946
Which gas do plants absorb during photosynthesis? (a) Carbon dioxide (b) Oxygen (c) Nitrogen (d) Hydrogen
Section C: Numerical Aptitude (20 Questions)
A sum becomes 4 times itself in 15 years at simple interest. Find the rate of interest. (a) 20% (b) 15% (c) 25% (d) 18%
Find the compound interest on ₹18,000 at 20% per annum for 2 years. (a) ₹7,920 (b) ₹7,200 (c) ₹7,500 (d) ₹6,800
The ratio of two numbers is 2:3. If 10 is added to each, the ratio becomes 3:4. Find the numbers. (a) 20 and 30 (b) 15 and 22 (c) 25 and 35 (d) 18 and 27
A train crosses a platform 250 m long in 20 seconds and a pole in 10 seconds. Find the length of the train. (a) 250 m (b) 200 m (c) 300 m (d) 220 m
A and B together can do a work in 10 days. A alone can do it in 15 days. In how many days can B alone do it? (a) 30 days (b) 25 days (c) 20 days (d) 35 days
The average of 10 numbers is 42. If each number is increased by 5, find the new average. (a) 47 (b) 45 (c) 50 (d) 44
What is 45% of 600 divided by 3? (a) 90 (b) 85 (c) 95 (d) 80
₹42,000 is divided among A, B, C such that A:B = 2:3 and B:C = 4:5. Find C's share. (a) ₹18,000 (b) ₹12,000 (c) ₹13,500 (d) ₹16,500
Find the next number in the series: 2, 5, 11, 23, 47, ? (a) 95 (b) 93 (c) 90 (d) 97
A boat covers 40 km downstream in 4 hours and returns upstream in 5 hours. Find the boat's speed in still water. (a) 9 km/h (b) 8 km/h (c) 10 km/h (d) 7.5 km/h
The area of a circle is 154 sq cm. Find its circumference. (Use π = 22/7) (a) 44 cm (b) 40 cm (c) 48 cm (d) 42 cm
Two numbers are in the ratio 3:4. If their sum is 84, find the larger number. (a) 48 (b) 44 (c) 42 (d) 40
A number is increased by 20% and then decreased by 20%. Find the net percentage change. (a) 4% decrease (b) No change (c) 4% increase (d) 5% decrease
Simplify: 25 − 3 × 4 + 18 ÷ 2 (a) 22 (b) 20 (c) 24 (d) 18
A can complete a work in 18 days and B is 50% more efficient than A. Find the time B takes alone. (a) 12 days (b) 10 days (c) 15 days (d) 9 days
Find the simple interest on ₹22,000 at 6% per annum for 3.5 years. (a) ₹4,620 (b) ₹4,400 (c) ₹4,800 (d) ₹4,200
Find the smallest 4-digit number exactly divisible by 18. (a) 1008 (b) 1000 (c) 1010 (d) 1002
A rectangular plot has a length that is 5 m more than its breadth. If the perimeter is 90 m, find the breadth. (a) 20 m (b) 22 m (c) 18 m (d) 25 m
A mixture of 50 litres contains milk and water in the ratio 3:2. Find the amount of milk to be added to make the ratio 5:2. (a) 20 litres (b) 15 litres (c) 25 litres (d) 10 litres
Find the compound interest on ₹15,000 at 20% per annum for 2 years. (a) ₹6,600 (b) ₹6,000 (c) ₹6,300 (d) ₹5,800
Section D: Reasoning and Logical Aptitude (20 Questions)
Find the odd one out: Pen, Pencil, Eraser, Paper (a) Paper (b) Pen (c) Pencil (d) Eraser
If "LONDON" is coded as "MPOEPO," how is "PARIS" coded? (a) QBSJT (b) QBSJU (c) QBTJT (d) QASJT
Pointing to a girl, a man says, "She is the daughter of my only brother's wife." How is the girl related to the man? (a) Niece (b) Daughter (c) Sister (d) Cousin
Complete the series: 5, 10, 20, 40, 80, ? (a) 160 (b) 150 (c) 140 (d) 170
If all keys are locks, and no lock is a door, then: (a) No key is a door (b) All doors are keys (c) Some keys are doors (d) All locks are keys
If "APPLE" is coded as "BQQMF," how is "GRAPE" coded? (a) HSBQF (b) HSBQE (c) HSAQF (d) GSBQF
In a family, A is the father of B and C. D is the wife of B. E is the son of C. How is D related to E? (a) Aunt (b) Sister (c) Mother (d) Cousin
Find the missing number: 9, 17, 33, 65, ? (a) 129 (b) 127 (c) 131 (d) 125
If Tuesday falls on the 8th of a month, what day falls on the 1st of the same month? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
Choose the word that does not belong: Delhi, Mumbai, Kolkata, Ganga (a) Ganga (b) Delhi (c) Mumbai (d) Kolkata
In a line of people, Vikram is 14th from the left and 25th from the right. How many people are in the line? (a) 38 (b) 39 (c) 37 (d) 40
Which number will replace the question mark? 4, 12, 36, 108, ? (a) 324 (b) 320 (c) 300 (d) 330
Statements: All books are magazines. All magazines are journals. Conclusions: I. All books are journals. II. Some journals are books. (a) Both follow (b) Only I follows (c) Only II follows (d) Neither follows
A person walks 5 km north, then 5 km east, then 5 km south. How far is he from his starting point? (a) 5 km (b) 10 km (c) 15 km (d) 0 km
Find the odd pair: (16, 4), (25, 5), (49, 7), (54, 6) (a) (54, 6) (b) (16, 4) (c) (25, 5) (d) (49, 7)
A clock shows 4:00. What is the angle between the hour and minute hands? (a) 120° (b) 100° (c) 90° (d) 150°
F is the son of G. H is the daughter of G. I is the brother of F. How is I related to H? (a) Brother (b) Cousin (c) Uncle (d) Nephew
Complete the analogy: Fish : Water :: Bird : ? (a) Air (b) Nest (c) Tree (d) Sky
Find the next term: PQ, RT, TW, VZ, ? (a) XC (b) XB (c) YC (d) WC
Eight people sit around a circular table facing the centre, evenly spaced. A is second to the right of B. C is directly opposite B. Who sits directly opposite A? (a) E (b) B (c) D (d) F
Section E: English Language (20 Questions)
Choose the correctly spelt word: (a) Accommodate (b) Accomodate (c) Acommodate (d) Accommodatte
Choose the synonym of "PRUDENT": (a) Wise (b) Foolish (c) Reckless (d) Careless
Choose the antonym of "VERBOSE": (a) Concise (b) Wordy (c) Lengthy (d) Rambling
Fill in the blank: He apologised ___ his mistake. (a) for (b) of (c) about (d) with
Identify the part of speech of the underlined word: "The book on the table is mine." (a) Preposition (b) Adjective (c) Adverb (d) Conjunction
Choose the correctly punctuated sentence: (a) Please bring the following items: pen, paper, and a ruler. (b) Please bring the following items pen, paper, and a ruler. (c) Please bring the following items; pen, paper, and a ruler. (d) Please bring the following items, pen, paper, and a ruler
Convert to passive voice: "Someone stole my bicycle." (a) My bicycle was stolen. (b) My bicycle is stolen. (c) My bicycle has been stolen by someone. (d) My bicycle is being stolen.
Choose the one-word substitute for "a person who knows many languages": (a) Polyglot (b) Linguist (c) Interpreter (d) Translator
Choose the correct meaning of the idiom "once in a blue moon": (a) Very rarely (b) Very frequently (c) Every month (d) Never
Identify the error: "He is one of the best player in the team." (a) player (b) He (c) best (d) team
Choose the correct article: "She bought ___ umbrella yesterday." (a) an (b) a (c) the (d) no article
Choose the correctly spelt word: (a) Privilege (b) Privelege (c) Priviledge (d) Priviledege
Fill in the blank: The movie starts ___ 7 PM. (a) at (b) in (c) on (d) by
Choose the synonym of "AUTHENTIC": (a) Genuine (b) Fake (c) Counterfeit (d) False
Choose the antonym of "BENEVOLENT": (a) Malevolent (b) Kind (c) Generous (d) Charitable
Rearrange the parts to form a meaningful sentence: (P) is the key (Q) to success (R) hard work (S) combined with patience (a) RSPQ (b) RPSQ (c) PRSQ (d) SRPQ
Choose the correctly punctuated sentence: (a) She asked, "What time is it?" (b) She asked "What time is it?" (c) She asked, What time is it? (d) She asked: what time is it
Identify the error: "The jury have gave their verdict." (a) have gave (b) jury (c) their (d) verdict
Choose the one-word substitute for "a place where money is coined": (a) Mint (b) Treasury (c) Bank (d) Exchequer
Choose the correct meaning of the idiom "to spill the beans": (a) To reveal secret information (b) To waste food (c) To make a mistake (d) To organise an event
Answer Key with Explanations — Mock Test 12
1.(a) PM Gati Shakti is aimed at integrated infrastructure planning.
2.(a) The RBI is India's apex banking regulator.
3.(a) Kargil Vijay Diwas is observed on 26 July.
4.(a) The Thar Desert is the largest desert in India.
5.(a) Beti Bachao Beti Padhao was launched in 2015.
6.(a) Subrahmanyan Chandrasekhar is associated with the Chandrasekhar Limit.
7.(a) FATF deals with combating money laundering and terror financing.
8.(a) The National Police Academy is located in Hyderabad.
9.(a) The Pradhan Mantri Fasal Bima Yojana relates to crop insurance.
10.(a) The United States has been among India's largest trading partners in recent years.
11.(a) The National Cyber Crime Reporting Portal helpline is 1930.
12.(a) Jaipur is known as the Pink City.
13.(a) The Antyodaya Anna Yojana targets the poorest of the poor families.
14.(a) NABARD is the apex institution for agricultural credit.
15.(a) One Nation One Ration Card allows portability of ration cards across states.
16.(a) Madhya Pradesh has the highest forest cover by area among Indian states.
17.(a) BRICS originally comprised Brazil, Russia, India, China, and South Africa.
18.(a) Ayushman Bharat primarily provides health insurance coverage.
19.(a) The Election Commission of India is seated in New Delhi.
20.(a) The Sansad Adarsh Gram Yojana is aimed at village development by MPs.
21.(a) The Subsidiary Alliance System was introduced by Lord Wellesley.
22.(a) Article 21A provides the Right to Education as a Fundamental Right.
23.(a) The Aravalli Range runs through Rajasthan, Haryana, Delhi, and Gujarat.
24.(a) The SI unit of energy is the Joule.
25.(a) Inflation is a sustained increase in the general price level over time.
26.(a) Akbar introduced the Mansabdari system.
27.(a) The Dandi March was a protest against the salt tax.
28.(a) The iris controls the amount of light entering the eye.
29.(a) The Western Ghats run parallel to the western coast of India.
30.(a) The power to amend the Constitution is vested in Parliament.
31.(a) Vitamin C deficiency causes scurvy.
32.(a) The Basic Structure Doctrine was propounded in the Kesavananda Bharati case.
33.(a) Monetary policy is formulated by the Reserve Bank of India.
34.(a) The ozone layer is contained in the stratosphere.
35.(a) The Attorney General of India is appointed by the President.
36.(a) Loktak Lake is located in Manipur.
37.(a) India's Constitution describes the country as a Union of States.
38.(a) Mustard is grown primarily in the Rabi season.
39.(a) The Cripps Mission came to India in 1942.
40.(a) Plants absorb carbon dioxide during photosynthesis. 41. Amount = 4×Principal; SI = 3×Principal over 15 years; rate = (3×100)/15 = 20%. (a) 42. CI = 18000×(1.2²−1) = 18000×0.44 = ₹7,920. (a) 43. Let numbers be 2x, 3x; (2x+10)/(3x+10)=3/4 → 8x+40=9x+30 → x=10; numbers=20,30. (a) 44. Speed = train length/10; platform crossing: (length+250)/20 = length/10 → length+250=2×length → length=250 m. (a) 45. Combined rate=1/10; A's rate=1/15; B's rate=1/10−1/15=3/30−2/30=1/30; B takes 30 days. (a) 46. New average = old average + increase = 42+5 = 47. (a) 47. 45% of 600 = 270; 270÷3 = 90. (a) 48. A:B=2:3=8:12, B:C=4:5=12:15, so A:B:C=8:12:15; total=35 parts; C's share=42000×15/35=₹18,000. 49. Pattern ×2+1: 2×2+1=5, 5×2+1=11, 11×2+1=23, 23×2+1=47, 47×2+1=95. (a) 50. Downstream speed=10, upstream speed=8; boat speed=(10+8)/2=9 km/h. (a) 51. Area=πr²=154; r²=154×7/22=49; r=7; circumference=2πr=2×22/7×7=44 cm. (a) 52. Total parts=7; larger number=84×4/7=48. (a) 53. Net change = −(20²/100) = −4%, i.e., 4% decrease. (a) 54. 3×4=12; 18÷2=9; 25−12+9=22. (a) 55. B's efficiency=1.5×A's; B's time=18/1.5=12 days. (a) 56. SI=(22000×6×3.5)/100=₹4,620. (a) 57. 1000÷18=55.5; 18×56=1008. (a) 58. Let breadth=x, length=x+5; perimeter=2(2x+5)=90 → 2x+5=45 → x=20 m. (a) 59. Milk=30, water=20; for ratio 5:2 with water=20, milk needed=50; add 50−30=20 litres. (a) 60. CI=15000×(1.2²−1)=15000×0.44=₹6,600. (a)
61.(a) Paper is a writing surface; the others are writing/erasing instruments.
62.(a) Each letter shifts forward by one: P→Q, A→B, R→S, I→J, S→T = QBSJT.
63.(a) The man's only brother's wife's daughter is his niece.
64.(a) Each term doubles: 80×2=160.
65.(a) Since all keys are locks and no lock is a door, no key can be a door.
66.(a) Each letter shifts forward by one: G→H, R→S, A→B, P→Q, E→F = HSBQF.
67.(a) E is C's son; D is B's wife, and B and C are siblings (children of A), so D is E's aunt by marriage.
68.(a) Pattern ×2−1: 9×2−1=17, 17×2−1=33, 33×2−1=65, 65×2−1=129.
69.(a) From the 1st to the 8th is 7 days, exactly one week, so the 1st is also a Tuesday.
70.(a) Ganga is a river; the others are cities.
71.(a) Total = 14+25−1 = 38.
72.(a) Each term is multiplied by 3: 108×3=324.
73.(a) Since all books are magazines and all magazines are journals, all books are journals, and it follows that some journals are books.
74.(a) After walking north 5 km and south 5 km, these cancel out, leaving only the 5 km eastward displacement.
75.(a) In the others, the second number is the square root of the first (4²=16, 5²=25, 7²=49); 6² = 36, not 54, so (54,6) breaks the pattern.
76.(a) At 4:00, the hour hand is at 4 and the minute hand at 12, a gap of 4 hours = 4×30° = 120°.
77.(a) F and I are brothers (both children of G); H is also G's child, so I is H's brother.
78.(a) A bird's natural element is air, paralleling fish-water.
79.(a) Both letters in each pair advance: first letter by 2 (P,R,T,V,X) and second letter by 3 (Q,T,W,Z,C), giving the next pair XC.
80.(a) With 8 evenly spaced seats numbered 0-7, place B at position 0; A, second to the right of B, is at position 2; C, opposite B, is at position 4. The seat opposite A (position 2) is position 6, which is labelled E in this arrangement.
81.(a) "Accommodate" is spelt with double 'c' and double 'm'.
82.(a) Prudent means wise and careful in practical matters.
83.(a) Concise is the antonym of verbose.
84.(a) "Apologise for" is the correct idiomatic usage.
85.(a) "On" shows the relationship between "book" and "table" — it is a preposition.
86.(a) Correct punctuation uses a colon before the list: Please bring the following items: pen, paper, and a ruler.
87.(a) Passive form: My bicycle was stolen.
88.(a) Polyglot means a person who knows many languages.
89.(a) "Once in a blue moon" means very rarely.
90.(a) "Player" should be "players" since "one of the best" requires a plural noun.
91.(a) "Umbrella" begins with a vowel sound, so it takes "an."
92.(a) "Privilege" is the correct spelling.
93.(a) "At" is used with a specific clock time.
94.(a) Authentic means genuine.
95.(a) Malevolent is the antonym of benevolent.
96.(a) Correct order: RSPQ — "Hard work combined with patience is the key to success."
97.(a) Correct punctuation: She asked, "What time is it?"
98.(a) The correct present perfect form is "have given," not "have gave" — "gave" is the simple past form and cannot follow "have."
99.(a) Mint is a place where money is coined.
100.(a) "To spill the beans" means to reveal secret information.