Quantitative Aptitude questions with answers, page 9

1,784 solved Quantitative Aptitude MCQs from SSC, RRB, banking and police exams. Open any question to try it and read the explanation. Want a timed test instead? Free Quantitative Aptitude practice sets.

801. PYQ12 men can complete a piece of work in 15 days. In how many days can 17 women complete the same work, if 12 men and 17 women have the same work…
802. PYQThe length of a rectangular field is twice its breadth. If the breadth is 43 m, find the perimeter of the field.
803. PYQIf 15 workers can build a wall in 10 days, how many workers are needed to build it in 6 days?
804. PYQIf a sum of ₹8000 becomes thrice of itself after 8 years on compound interest, then how much will it become after 24 years?
805. PYQA can finish a work in 5 days and B can do the same work in 50 days. B worked alone for 10 days and left the job. In how many days can A alone…
806. PYQThe average of three numbers is 20. If the two numbers are 11 and 22, respectively, then the third number is:
807. PYQThe sum of the present ages of Sharad and Adarsh is 36 years. After 2 years from now, Sharad's age will be three times that of Adarsh. Sharad's…
808. PYQA person borrows ₹10,000 for 3 years at 5% per annum simple interest. He immediately lends it to another person at 8¼% per annum simple interest for…
809. PYQWhat is the decimal form of 7/2 + 32.5 + 1.245 + 3/4?
810. PYQA classroom has 46 boys and 36 girls. If the number of girls is increased successively by 25% followed by another 20%, by how many will the number…
811. PYQFor a given data, the mean is 48.5 and the median is 44. The mode of the data is:
812. PYQThe length of one of the two parallel sides of a trapezium is 8 cm, while the length of the other side of this pair of parallel sides is equal to…
813. PYQIf the surface area of a sphere is 314 cm², find its radius. (Take π = 3.14)
814. PYQFind the product of the common prime factors of the numbers 1950, 1560 and 2340.
815. PYQA, B, C, and D can do a piece of work in 12, 15, 20, and 30 days, respectively. All start together, but D leaves after 2 days, C leaves 3 days…
816. PYQDuring a sale 50% of the goods are sold at 40% profit, 40% of the remaining goods are sold at 13% profit and the still remaining goods are sold at a…
817. PYQTwo trains of lengths 120 m and 180 m running in opposite directions at speeds of 60 km/h and 75 km/h, respectively. In how many seconds will they…
818. PYQA shopkeeper lists the price of a fan at 36% above its cost price and offers a 25% discount on its list price. If he earns a profit of ₹179, then…
819. PYQSimplify: 8×8+6×6+[6×{4÷2×(3 of 2)} − {36 ÷(6×3)+(8×3)}] ÷ 2
820. PYQWhen one-third of a number is increased by 87, the result is 107. Find the sum of the digits of the original number.
821. PYQWhen one-third of a number is increased by 37, the result is 51. Find the sum of the digits of the original number.
822. PYQAnisha borrowed ₹28,260 from her friend at 9% per annum, simple interest. She returned the amount after 9 months. How much interest did she pay?
823. PYQThe lengths of two trains starting from stations P and Q are in the ratio 3:2. When they run in opposite directions at speeds of 54 km/h and 72 km/h…
824. PYQA person X invests ₹12,000 for 12 months and person Y invests ₹18,000 but withdraws his investment after 6 months. If the total profit earned on…
825. PYQA cylindrical printing drum of length 2.1 m makes 350 complete revolutions and prints 4158 m² of fabric. What is the radius of the drum? (Take π =…
826. PYQIf x² + 1/x² = 16 and x ≠ 0, then what is the value of x⁴ + 1/x⁴?
827. PYQA student scored 84% of the maximum marks in an exam and passed by 62 marks. But when he scored 45% of the marks in the same exam, he failed by 35.5…
828. PYQThe average age of a husband and wife at the time of their marriage was 28 years. Their daughter was born two years after their marriage. If the…
829. PYQWhat sum of money (in ₹) will yield ₹720 as simple interest in 2 years at 5% per annum?
830. PYQAnusha starts a business with ₹55,000 and after 7 months, Minal joins Anusha as her partner. After a year, the profit is divided in the ratio 8:3…
831. PYQA shopkeeper sold a book at a loss of 6%. If the selling price had been increased by ₹960, there would have been a gain of 19%. What was the cost…
832. PYQTwo numbers are in the ratio of 4:5, and their HCF is 16. Find the LCM of the two numbers.
833. PYQA dealer buys two articles X and Y for ₹1,300 each. He marks each of them at the same price. He sells X by giving two successive discounts of 84%…
834. PYQIn an election with four candidates, 60% of all registered voters voted. Candidate X got 40% of the cast votes. The rest were split equally among…
835. PYQA dealer buys two articles X and Y for ₹2,000 each. He marks each of them at the same price. He sells X by giving two successive discounts of 28%…
836. PYQIf the mean of a distribution is 78 and the median is 61, then the value of mode is:
837. PYQSimplify: [{(96÷(4×4))+(36÷(9×3))}+{(14×2÷4)+(18÷(3×3))}]
838. PYQWhen one-third of a number is increased by 55, the result is 77. Find the sum of the digits of the original number.
839. PYQSmita borrowed ₹14,750 from her friend at a simple interest rate of 8% per annum. She repaid the amount after 6 months. How much did she pay in total?
840. PYQThe prices of articles of type P, Q and R are ₹280, ₹180 and ₹105, respectively. Govind buys articles of the three types in the ratio 3 : 4 : 7 for…
841. PYQVarun buys mangoes at the rate of 3 kg for ₹15 and sells them at 5 kg for ₹50. To earn ₹125 as profit, what quantity of mangoes (in kg) must he sell?
842. PYQThe average of three numbers is 20. If two numbers are 11 and 21, respectively, then the third number is:
843. PYQFive years ago from now, the sum of the ages of John and his sister Jane was 25 years. If John is now twice as old as he was ten years ago, find the…
844. PYQIf a regular polygon has an interior angle of 156°, then find the sum of its 7 exterior angles.
845. PYQSimplify: (2^(n+3) − 2×2^n) / (2×2^(n+2))
846. PYQA train 240 meters long crosses a bridge 420 meters long in 22 seconds. What is the speed of the train in km/h?
847. PYQA can complete the work in 16 days and B can complete it in 24 days. They work together for 5 days, then A leaves. How many more days will B take to…
848. PYQA and B can complete a work in 12 days and 6 days, respectively. They started doing the work together but after 2 days, B had to leave, and A…
849. PYQA student scored 91% of the maximum marks in an exam and passed by 187 marks. But when he scored 36% of the marks in the same exam, he failed by…
850. PYQThe difference between the present ages of Ayushi and Nidhi is 14 years. Five years ago from now, the sum of their ages was 60 years. If Ayushi is…
851. PYQA train moving at 72 km/h overtakes another train, 180 m long, running in the same direction at 36 km/h in 27 seconds. Find the length of the faster…
852. PYQThe mean of a data is 19 and its median is 51. The mode (using empirical relation) of the data is:
853. PYQKirti starts a business with ₹35,000 and after 3 months, Vaishnavi joins Kirti as her partner. After a year, the profit is divided in the ratio 7…
854. PYQIf 3^(2a−b) = 3^(a+b) = √27, find the value of b.
855. PYQIn a test, B got 50 marks while A got 80 marks out of 120 maximum marks. What percentage of A's marks were B's marks?
856. PYQRamesh deposits ₹24,000 in his account, which pays an annual interest rate of 12% compounded quarterly. Calculate the total amount in his account…
857. PYQA customer purchases a laptop that has a marked price of ₹50,000. The store offers a 10% discount on the laptop. In addition, there is a festival…
858. PYQThe area of a square is 225 cm². Its perimeter is equal to the perimeter of a regular hexagon. What is the area (in cm²) of the hexagon?
859. PYQPipe A can fill a tank in 10 hours; pipe B can fill it in 12 hours, and pipe C can empty it in 15 hours. All three pipes are opened together, but…
860. PYQTwo numbers have HCF 7 and LCM 84. If one number is 21, find the other.
861. PYQSimplify: [(18 ÷ 9 × 3) of {((18 ÷ (6 × 2)) ÷ 3) + (16 ÷ (5 + 3 − 6))}]
862. PYQThe capacity of a cylindrical tank is 55440 cm³. If its base radius is 14 cm, then find the total surface area of the tank. (Use π = 22/7)
863. PYQKirti starts a business with ₹27,000 and after 7 months, Vaishnavi joins Kirti as her partner. After a year, the profit is divided in the ratio 8…
864. PYQWhat sum of money (in ₹) will yield ₹720 as simple interest in 2 years at 6% per annum?
865. PYQThe sum of the present ages of Lokesh and Taresh is 24 years. After 2 years, Lokesh's age will be three times that of Taresh. Lokesh's present age…
866. PYQFind the sum of 8 exterior angles of a 24-sided regular polygon.
867. PYQSimplify: 2/5 of ((3/4 ÷ 0.25) + 1/2) − 1/3
868. PYQIf the median and the mode are given as 65 and 60, respectively, find the mean.
869. PYQWhen one-third of a number is increased by 55, the result is 83. Find the sum of the digits of the original number.
870. PYQSimplify: [5 of (2+4)] − {6² ÷ 3} + 2, all divided by 3 of (5−2) ÷ 9
871. PYQA shopkeeper lists the price of a fan at 36% above its cost price and offers a 25% discount on its list price. If he earns a profit of ₹134, then…
872. PYQA family's monthly income increased by 15%. They increased their monthly expenditure on food by 10% and on rent by 20%. If their initial monthly…
873. PYQThe sum of the prime factors of 84 is:
874. PYQDuring a sale, 60% of the goods are sold at a profit of 21%. Of the remaining goods, 40% are sold at a profit of 46%, and the rest are sold at a…
875. PYQFind the fourth proportional to 3.5, 7.5, and 6.3.
876. PYQNaveena's monthly income is ₹84,000. She spends 25% of his income on house rent, 20% on groceries, 15% on other household expenses, and saves the…
877. PYQA 200 m long train passes a man standing on a platform in 10 seconds. How long will it take to cross another 350 m long train running at 60 km/h in…
878. PYQSimplify: (15/24 ÷ 15/2) ÷ (1/8 × 16/3 + 1/8) + 2/11 ÷ 19/23 of 23/11
879. PYQOne pipe can fill the tank in 18 min, while another pipe can empty the completely filled tank in 72 min. If both the pipes are operated together on…
880. PYQIf the length of the side of an equilateral triangle is 8 cm, find its area. (Use √3 = 1.732).
881. PYQKaran and Arjun start a business. Karan invests ₹15,000 more than Arjun. Karan invests for 3 months, and Arjun invests for 4 months. At the end of…
882. PYQThe difference between the ages of Sakshi and Priya is 37 years. Five years ago from now, the sum of their ages was 95 years. If Sakshi is older…
883. PYQIf (sinθ + cosθ)/(sinθ − cosθ) = 11, then the value of (25 tan²θ − 3)/(36 cot²θ + 2) − 1 is:
884. PYQIf a = 0.1125, then find the value of 100[√(1 + 2(3a) + 9a²) − 4a].
885. PYQA person gave 40% of his income to his wife to look after household expenditure. He gave 20% of the remaining amount to each of his two sons and one…
886. PYQA shopkeeper sold a book at a loss of 7%. If the selling price had been increased by ₹120, there would have been a gain of 17%. What was the cost…
887. PYQThe difference between the ages of Anuja and Mahima is 42 years. Five years ago from now, the sum of their ages was 98 years. If Anuja is older than…
888. PYQThe mean of a data is 41 and its median is 98. The mode (using empirical relation) of the data is:
889. PYQWhat sum of money (in ₹) will yield ₹740 as simple interest in 2 years at 5% per annum?
890. PYQThe curved surface area of a right circular cylinder is 1056 cm² and its height is 16 cm. Find the total surface area of the cylinder. (Use π = 22/7)
891. PYQA sum of money amounts to ₹52,020 in 6 months at the rate of 8% per annum when the interest is compounded quarterly. Find the sum.
892. PYQA car travels 120 km at an unknown speed x km/h and then returns at (x + 20) km/h. The average speed for the whole journey is 60 km/h. Find the…
893. PYQTwo numbers are in the ratio of 4 : 9. If their sum is 26, then find the mean proportional between them.
894. PYQA dealer buys two articles X and Y for ₹1,200 each. He marks each of them at the same price. He sells X by giving two successive discounts of 80%…
895. PYQIn a test, B got 50 marks while A got 80 marks out of 110 maximum marks. What percentage of A's marks were B's marks?
896. PYQIf 15 notebooks cost ₹240, then how many notebooks can be bought with ₹992?
897. PYQThe value of 27³ - 22³ is:
898. PYQIf an exterior angle of a regular polygon is 40°, then find the number of diagonals of the polygon.
899. PYQThe difference between the present ages of Ayushi and Nidhi is 26 years. Five years ago from now, the sum of their ages was 30 years. If Ayushi is…
900. PYQThe mean of a data is 20 and its median is 30. The mode (using empirical relation) of the data is: