Mock Test 10 — IB ACIO Tier 1 Pattern (100 MCQs)
Free study material · concepts, shortcuts & solved questions
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 "World Economic Forum" holds its annual meeting in which Swiss town? (a) Davos (b) Geneva (c) Zurich (d) Bern
Which Indian agency is responsible for maritime border security? (a) Indian Coast Guard (b) BSF (c) CISF (d) ITBP
The "Bhakra Nangal Dam" is built on which river? (a) Sutlej (b) Beas (c) Ravi (d) Chenab
The first woman President of India was: (a) Pratibha Patil (b) Sarojini Naidu (c) Indira Gandhi (d) Meira Kumar
India's Space Policy 2023 aims to boost participation of: (a) Private players in the space sector (b) Only government agencies (c) Foreign governments exclusively (d) State governments only
The "Simla Agreement" was signed in which year? (a) 1972 (b) 1971 (c) 1965 (d) 1974
Which is the smallest state in India by area? (a) Goa (b) Sikkim (c) Tripura (d) Nagaland
The RBI's Monetary Policy Committee has how many members? (a) 6 (b) 5 (c) 7 (d) 8
"Operation Flood" is associated with: (a) The White Revolution (dairy) (b) The Green Revolution (c) The Blue Revolution (d) The Yellow Revolution
Which country hosted the 2022 FIFA World Cup? (a) Qatar (b) Russia (c) Brazil (d) UAE
The Central Bureau of Investigation functions under which act's framework, primarily deriving powers from? (a) The Delhi Special Police Establishment Act, 1946 (b) The IPC (c) The CrPC (d) The Indian Police Act, 1861
The "Nagoya Protocol" is related to: (a) Access to genetic resources and benefit sharing (b) Climate change (c) Ozone depletion (d) Nuclear disarmament
Which Indian state has the longest coastline? (a) Gujarat (b) Andhra Pradesh (c) Tamil Nadu (d) Maharashtra
The headquarters of SAARC is located in: (a) Kathmandu (b) New Delhi (c) Dhaka (d) Colombo
India's first Chief Justice was: (a) H.J. Kania (b) M. Patanjali Sastri (c) B.K. Mukherjea (d) S.R. Das
The "Sagarmala Project" is related to: (a) Port-led development (b) Highway construction (c) Railway electrification (d) Airport modernisation
Which Indian city hosted the G20 Summit in 2023? (a) New Delhi (b) Mumbai (c) Bengaluru (d) Jaipur
The "Kyoto Protocol" primarily deals with: (a) Reduction of greenhouse gas emissions (b) Biodiversity conservation (c) Trade tariffs (d) Nuclear non-proliferation
Which is the longest river bridge in India (Bhupen Hazarika Setu) built over? (a) The Brahmaputra (b) The Ganga (c) The Godavari (d) The Yamuna
The "National Human Rights Commission" was set up under an act passed in: (a) 1993 (b) 1990 (c) 1995 (d) 1988
Section B: General Studies (20 Questions)
The "Permanent Settlement" of Bengal was introduced by: (a) Lord Cornwallis (b) Lord Wellesley (c) Warren Hastings (d) Lord Dalhousie
Which Article empowers the President to declare a National Emergency? (a) Article 352 (b) Article 356 (c) Article 360 (d) Article 368
The "Deccan Plateau" is bordered on the west by which range? (a) Western Ghats (b) Eastern Ghats (c) Aravallis (d) Vindhyas
The unit of electric current is: (a) Ampere (b) Volt (c) Ohm (d) Watt
"Fiscal deficit" refers to: (a) The excess of total expenditure over total receipts excluding borrowings (b) The excess of revenue expenditure over revenue receipts (c) Total government debt (d) The trade deficit
Which ruler is credited with the construction of the Grand Trunk Road? (a) Sher Shah Suri (b) Akbar (c) Ashoka (d) Chandragupta Maurya
The "Narmada Bachao Andolan" was led by: (a) Medha Patkar (b) Sunderlal Bahuguna (c) Vandana Shiva (d) Anna Hazare
Which blood group is known as the universal donor? (a) O negative (b) AB positive (c) A positive (d) B negative
The "Coriolis effect" causes winds to deflect to the right in which hemisphere? (a) Northern Hemisphere (b) Southern Hemisphere (c) Equatorial region (d) It does not deflect winds
The 73rd Constitutional Amendment relates to: (a) Panchayati Raj institutions (b) Urban local bodies (c) GST (d) Fundamental Duties
Deficiency of iodine causes which condition? (a) Goitre (b) Rickets (c) Scurvy (d) Anaemia
The "Third Battle of Panipat" (1761) was fought between the Marathas and: (a) Ahmad Shah Abdali (b) Nadir Shah (c) Babur (d) Akbar
"Disinvestment" refers to: (a) Sale of government stake in public sector enterprises (b) Increase in government spending (c) Reduction in taxes (d) Borrowing from foreign sources
Which of the following is a greenhouse gas? (a) Carbon dioxide (b) Nitrogen (c) Oxygen (d) Argon
The Election Commission of India is a: (a) Constitutional body (b) Statutory body (c) Non-statutory body (d) Judicial body
The river Godavari originates in which state? (a) Maharashtra (b) Madhya Pradesh (c) Karnataka (d) Andhra Pradesh
India adopted a federal system with a strong bias towards which principle? (a) The Centre (b) The States (c) Local bodies (d) Judiciary
Which of the following is a kharif crop? (a) Rice (b) Wheat (c) Gram (d) Mustard
The "Non-Cooperation Movement" was launched by Gandhi in response to: (a) The Jallianwala Bagh massacre (b) The Partition of Bengal (c) The Rowlatt Act alone (d) The Simon Commission
The kidneys primarily function to: (a) Filter blood and remove waste (b) Pump blood throughout the body (c) Produce insulin (d) Aid in digestion
Section C: Numerical Aptitude (20 Questions)
A sum triples itself in 8 years at simple interest. Find the rate of interest per annum. (a) 25% (b) 20% (c) 12.5% (d) 30%
Find the compound interest on ₹20,000 at 12% per annum for 2 years. (a) ₹5,088 (b) ₹4,800 (c) ₹5,200 (d) ₹4,600
The ratio of two numbers is 3:4 and their LCM is 180. Find the sum of the numbers. (a) 105 (b) 90 (c) 120 (d) 100
A train running at 90 km/h crosses a pole in 12 seconds. Find its length. (a) 300 m (b) 250 m (c) 280 m (d) 320 m
Two taps A and B can fill a tank in 15 and 20 hours respectively. A third tap C can empty it in 30 hours. If all three are opened together, find the time to fill the tank. (a) 12 hours (b) 10 hours (c) 15 hours (d) 14 hours
The average weight of 25 students is 48 kg. If the teacher's weight (72 kg) is included, find the new average. (a) 49 kg (b) 48.5 kg (c) 50 kg (d) 49.5 kg
What is 18% of 250 plus 12% of 300? (a) 81 (b) 75 (c) 85 (d) 90
A sum of ₹18,000 is divided among A, B, C such that A gets twice as much as B and B gets thrice as much as C. Find C's share. (a) ₹2,000 (b) ₹1,800 (c) ₹2,400 (d) ₹1,500
Find the missing number: 4, 9, 19, 39, ? (a) 79 (b) 77 (c) 81 (d) 75
A boat's speed in still water is 15 km/h and the stream's speed is 3 km/h. Find the time to cover 54 km downstream. (a) 3 hours (b) 3.5 hours (c) 4 hours (d) 2.5 hours
Find the area of a triangle with base 18 cm and height 10 cm. (a) 90 sq cm (b) 180 sq cm (c) 80 sq cm (d) 100 sq cm
Two numbers are in the ratio 7:9. If their sum is 128, find the smaller number. (a) 56 (b) 60 (c) 63 (d) 49
A's salary is 25% more than B's. By what percent is B's salary less than A's? (a) 20% (b) 25% (c) 15% (d) 30%
Simplify: (12 + 8) × 3 − 15 ÷ 5 (a) 57 (b) 55 (c) 60 (d) 52
A does a piece of work in 15 days, B in 20 days, and C in 30 days. Find the time taken if all work together. (a) 6.67 days (b) 8 days (c) 7 days (d) 6 days
Find the simple interest on ₹12,500 at 9% per annum for 4 years. (a) ₹4,500 (b) ₹4,200 (c) ₹4,800 (d) ₹4,000
Find the smallest number which, when divided by 15, 20, and 25, leaves a remainder of 3 in each case. (a) 303 (b) 300 (c) 297 (d) 315
A rectangular field has length 45 m and breadth 30 m. Find the cost of fencing it at ₹12 per metre. (a) ₹1,800 (b) ₹1,620 (c) ₹1,900 (d) ₹1,750
In a mixture of 80 litres, milk and water are in the ratio 3:1. How much milk must be added to make the ratio 4:1? (a) 20 litres (b) 10 litres (c) 15 litres (d) 8 litres
Find the compound interest on ₹10,000 at 15% per annum for 2 years. (a) ₹3,225 (b) ₹3,000 (c) ₹3,400 (d) ₹2,900
Section D: Reasoning and Logical Aptitude (20 Questions)
Find the odd one out: Guitar, Violin, Flute, Painting (a) Painting (b) Guitar (c) Violin (d) Flute
If in a code language "BOOK" is written as "CPPL," how is "PAGE" written? (a) QBHF (b) QBGF (c) QAHF (d) PBHF
Pointing to a photograph, a man says, "This person's mother is the only daughter of my mother." How is the man related to the person in the photograph? (a) Maternal uncle (b) Father (c) Brother (d) Grandfather
Complete the series: 1, 4, 9, 16, 25, ? (a) 36 (b) 30 (c) 49 (d) 42
If all roses are flowers, and some flowers fade quickly, then: (a) Some roses may fade quickly (b) All roses fade quickly (c) No roses fade quickly (d) All flowers are roses
If "TABLE" is coded as "UBCMF," how is "CHAIR" coded? (a) DIBJS (b) DIBJT (c) DIBIS (d) DHBJS
M is the son of N. N is the wife of O. P is the son of O from another wife. How is M related to P? (a) Half-brother (b) Full brother (c) Cousin (d) Nephew
Find the missing number: 6, 11, 21, 41, ? (a) 81 (b) 79 (c) 83 (d) 77
If Thursday falls on the 5th of a month, what day falls on the 28th of the same month? (a) Saturday (b) Friday (c) Sunday (d) Monday
Choose the word that does not belong: Wheat, Rice, Barley, Diamond (a) Diamond (b) Wheat (c) Rice (d) Barley
In a queue, Neha is 12th from the front and 20th from the back. How many people are in the queue? (a) 31 (b) 32 (c) 30 (d) 29
Which number will replace the question mark? 3, 9, 27, 81, ? (a) 243 (b) 234 (c) 225 (d) 250
Statements: All doors are windows. No window is a wall. Conclusions: I. No door is a wall. II. Some walls are doors. (a) Only I follows (b) Only II follows (c) Both follow (d) Neither follows
Facing north, a person turns 90° clockwise, then 180°. Which direction does he face now? (a) West (b) East (c) North (d) South
Find the odd pair: (2, 8), (3, 27), (4, 64), (5, 100) (a) (5, 100) (b) (2, 8) (c) (3, 27) (d) (4, 64)
A clock shows 6:30. What is the angle between the hour and minute hands? (a) 15° (b) 0° (c) 30° (d) 45°
X is the daughter of Y. Y is the brother of Z. Z is the mother of W. How is X related to W? (a) Cousin (b) Sister (c) Niece (d) Aunt
Complete the analogy: Author : Book :: Sculptor : ? (a) Statue (b) Chisel (c) Museum (d) Marble
Find the next term: BD, DF, FH, HJ, ? (a) JL (b) JK (c) KL (d) IL
Six friends A, B, C, D, E, F sit in a row from left to right in the order: F, D, B, A, C, E. Who sits third from the right? (a) A (b) B (c) C (d) D
Section E: English Language (20 Questions)
Choose the correctly spelt word: (a) Maintenance (b) Maintainance (c) Maintenence (d) Maintenanse
Choose the synonym of "PERSEVERE": (a) Persist (b) Abandon (c) Surrender (d) Quit
Choose the antonym of "ABUNDANT": (a) Scarce (b) Plentiful (c) Ample (d) Copious
Fill in the blank: The train arrived ___ time. (a) on (b) in (c) at (d) by
Identify the part of speech of the underlined word in: "The quick fox jumped over the lazy dog." (a) Adjective (b) Adverb (c) Noun (d) Verb
Choose the correctly punctuated sentence: (a) My favourite colours are red, blue, and green. (b) My favourite colours are red blue and green. (c) My favourite colours are, red, blue and green. (d) My favourite colours are: red blue and green
Convert to passive voice: "They are building a new bridge." (a) A new bridge is being built by them. (b) A new bridge was built by them. (c) A new bridge has been built by them. (d) A new bridge is built by them.
Choose the one-word substitute for "a place where birds are kept": (a) Aviary (b) Apiary (c) Aquarium (d) Sanctuary
Choose the correct meaning of the idiom "to break the ice": (a) To initiate conversation in an awkward situation (b) To end a friendship (c) To cause trouble (d) To remain silent
Identify the error: "The number of accidents have increased this year." (a) have (b) number (c) accidents (d) increased
Choose the correct article: "___ MBA is a popular postgraduate degree." (a) An (b) A (c) The (d) No article needed
Choose the correctly spelt word: (a) Millennium (b) Milennium (c) Millenium (d) Milenium
Fill in the blank: He is ___ university professor. (a) a (b) an (c) the (d) no article
Choose the synonym of "METICULOUS": (a) Careful (b) Careless (c) Sloppy (d) Hasty
Choose the antonym of "OPTIMISTIC": (a) Pessimistic (b) Hopeful (c) Positive (d) Confident
Rearrange the parts to form a meaningful sentence: (P) has become (Q) a major concern (R) climate change (S) worldwide (a) RPQS (b) RQPS (c) PRQS (d) QRPS
Choose the correctly punctuated sentence: (a) It's a beautiful day, isn't it? (b) Its a beautiful day, isnt it? (c) It's a beautiful day, isn't it. (d) Its' a beautiful day, isn't it?
Identify the error: "One of the students have lost his book." (a) have (b) One (c) students (d) lost
Choose the one-word substitute for "government by a single ruler with unlimited power": (a) Autocracy (b) Democracy (c) Oligarchy (d) Monarchy
Choose the correct meaning of the idiom "to hit the nail on the head": (a) To do or say something exactly right (b) To fail completely (c) To cause an argument (d) To waste time
Answer Key with Explanations — Mock Test 10
1.(a) The WEF's annual meeting is held in Davos, Switzerland.
2.(a) The Indian Coast Guard is responsible for maritime border security.
3.(a) The Bhakra Nangal Dam is built on the Sutlej river.
4.(a) Pratibha Patil was India's first woman President.
5.(a) India's Space Policy 2023 aims to boost private sector participation.
6.(a) The Simla Agreement was signed in 1972.
7.(a) Goa is the smallest Indian state by area.
8.(a) The Monetary Policy Committee has 6 members.
9.(a) Operation Flood is associated with the White Revolution (dairy development).
10.(a) Qatar hosted the 2022 FIFA World Cup.
11.(a) The CBI derives its powers primarily from the Delhi Special Police Establishment Act, 1946.
12.(a) The Nagoya Protocol deals with access to genetic resources and benefit sharing.
13.(a) Gujarat has the longest coastline among Indian states.
14.(a) SAARC's headquarters is in Kathmandu.
15.(a) H.J. Kania was India's first Chief Justice.
16.(a) Sagarmala is a port-led development project.
17.(a) New Delhi hosted the 2023 G20 Summit.
18.(a) The Kyoto Protocol deals with reduction of greenhouse gas emissions.
19.(a) The Bhupen Hazarika Setu is built over the Brahmaputra.
20.(a) The NHRC was set up under the Protection of Human Rights Act, 1993.
21.(a) The Permanent Settlement was introduced by Lord Cornwallis.
22.(a) Article 352 empowers the President to declare a National Emergency.
23.(a) The Deccan Plateau is bordered on the west by the Western Ghats.
24.(a) The unit of electric current is the Ampere.
25.(a) Fiscal deficit is the excess of total expenditure over total receipts excluding borrowings.
26.(a) Sher Shah Suri is credited with building the Grand Trunk Road.
27.(a) The Narmada Bachao Andolan was led by Medha Patkar.
28.(a) O negative is the universal donor blood group.
29.(a) The Coriolis effect deflects winds to the right in the Northern Hemisphere.
30.(a) The 73rd Amendment relates to Panchayati Raj institutions.
31.(a) Iodine deficiency causes goitre.
32.(a) The Third Battle of Panipat was fought between the Marathas and Ahmad Shah Abdali.
33.(a) Disinvestment is the sale of government stake in public sector enterprises.
34.(a) Carbon dioxide is a greenhouse gas.
35.(a) The Election Commission of India is a constitutional body.
36.(a) The Godavari originates in Maharashtra.
37.(a) India's federal system has a strong bias towards the Centre.
38.(a) Rice is a kharif crop.
39.(a) The Non-Cooperation Movement was launched in response to the Jallianwala Bagh massacre and related grievances.
40.(a) The kidneys filter blood and remove waste. 41. Amount = 3×Principal; SI = 2×Principal over 8 years, so rate = (2×100)/8 = 25%. (a) 42. CI = 20000×(1.12²−1) = 20000×0.2544 = ₹5,088. (a) 43. Numbers = 3x, 4x; LCM = 12x = 180, x=15; sum = 7×15 = 105. (a) 44. Speed = 90 km/h = 25 m/s; length = 25×12 = 300 m. (a) 45. Combined rate = 1/15+1/20−1/30 = 4/60+3/60−2/60 = 5/60 = 1/12; time = 12 hours. (a) 46. New total weight = 25×48+72 = 1200+72=1272; new average = 1272/26 = 48.9 ≈ 49 kg. (a) 47. 18% of 250 = 45; 12% of 300 = 36; sum = 81. (a) 48. Let C = x, B = 3x, A = 6x; total = 10x = 18000, x = 1800; C's share = ₹1,800. (a) 49. Pattern: ×2+1: 4×2+1=9, 9×2+1=19, 19×2+1=39, 39×2+1=79. (a) 50. Downstream speed = 15+3=18 km/h; time = 54/18 = 3 hours. (a) 51. Area = ½×18×10 = 90 sq cm. (a) 52. Total parts = 16; smaller number = 128×7/16 = 56. (a) 53. B is less than A by 25/125×100 = 20%. (a) 54. (12+8)×3=60; 15÷5=3; 60−3=57. (a) 55. Combined rate = 1/15+1/20+1/30 = 4/60+3/60+2/60=9/60=3/20; time = 20/3 ≈ 6.67 days. (a) 56. SI = (12500×9×4)/100 = ₹4,500. (a) 57. LCM of 15,20,25 = 300; smallest number = 300+3 = 303. (a) 58. Perimeter = 2(45+30) = 150 m; cost = 150×12 = ₹1,800. (a) 59. Milk=60 litres, water=20 litres. For the new ratio 4:1 with water fixed at 20, milk needed = 4×20 = 80 litres; milk to be added = 80−60 = 20 litres. (a) 60. CI = 10000×(1.15²−1) = 10000×0.3225 = ₹3,225. (a)
61.(a) Painting is a visual art; the others are musical instruments.
62.(a) Each letter shifts forward by one: P→Q, A→B, G→H, E→F = QBHF.
63.(a) The only daughter of the man's mother is the man's sister; her son's mother's brother is the man himself, making him the person's maternal uncle.
64.(a) The series is of perfect squares: 1²,2²,3²,4²,5²,6² = 36.
65.(a) Since all roses are flowers and some flowers fade quickly, it is possible that some roses fade quickly.
66.(a) Each letter shifts forward by one: C→D, H→I, A→B, I→J, R→S = DIBJS.
67.(a) M and P share the same father (O) but different mothers, making them half-brothers.
68.(a) Pattern: ×2−1: 6×2−1=11, 11×2−1=21, 21×2−1=41, 41×2−1=81.
69.(a) From the 5th to the 28th is 23 days; 23 mod 7 = 2, so the day shifts forward by 2 from Thursday, giving Saturday.
70.(a) Diamond is a mineral; the others are cereal grains.
71.(a) Total = 12+20−1 = 31.
72.(a) Each term is multiplied by 3: 81×3=243.
73.(a) Since no window is a wall and all doors are windows, no door can be a wall; the second conclusion does not necessarily follow.
74.(a) 90° clockwise from north is east; a further 180° turn faces west.
75.(a) In the others, the second number is the cube of the first (8=2³, 27=3³, 64=4³); 100 is not 5³ (125).
76.(a) At 6:30, the hour hand is halfway between 6 and 7, giving an angle of 15° from the minute hand.
77.(a) Y is Z's brother and X's father; Z is W's mother, so X and W are cousins.
78.(a) A sculptor's typical output is a statue, paralleling author-book.
79.(a) Both letters shift forward by two: H→J, J→L, giving JL.
80.(a) In the order F, D, B, A, C, E, the third from the right is A.
81.(a) "Maintenance" is the correct spelling.
82.(a) Persevere means to persist.
83.(a) Scarce is the antonym of abundant.
84.(a) "On time" is the correct idiomatic usage.
85.(a) "Quick" describes the noun "fox" — it is an adjective.
86.(a) Correct punctuation: My favourite colours are red, blue, and green.
87.(a) Passive form: A new bridge is being built by them.
88.(a) Aviary is a place where birds are kept.
89.(a) "To break the ice" means to initiate conversation in an awkward situation.
90.(a) "Have" should be "has" since "the number" is a singular subject.
91.(a) "MBA" is pronounced starting with a vowel sound ("em"), so it takes "An."
92.(a) "Millennium" is spelt with double 'n' and double 'l'.
93.(a) "University" begins with a consonant sound (/j/), so it takes "a," not "an."
94.(a) Meticulous means careful and precise.
95.(a) Pessimistic is the antonym of optimistic.
96.(a) Correct order: RPQS — "Climate change has become a major concern worldwide."
97.(a) Correct punctuation: It's a beautiful day, isn't it?
98.(a) "Have" should be "has" since "one" is singular.
99.(a) Autocracy means government by a single ruler with unlimited power.
100.(a) "To hit the nail on the head" means to do or say something exactly right.