Quantitative Aptitude Test Worksheet

Quantitative aptitude lesson 30: Final aptitude test · Set 7 · 40 questions

The method (Type, method, check): Name the type of question. Write the formula or method from that lesson and work step by step. Check units and size, and put the answer back into the question.

1. 1.Find the area of a circle of radius 21 cm (take π = 22/7; answer in sq cm).
2. 2.Marks of 6 friends in a quiz: 46, 65, 67, 45, 65, 48. What is their average mark?
3. 3.In how many years will ₹14000 earn ₹3640 as simple interest at 13% per year?
4. 4.What sum of money earns ₹3552 simple interest in 3 years at 8% per year (in ₹)?
5. 5.Round 66781 to the nearest hundred.
6. 6.A pressure cooker is marked at ₹4180. The shop gives a 15% discount. How much do you pay (in ₹)?
7. 7.A pipe (a cylinder) has a radius of 7 cm and a length of 11 cm. What is its curved surface area (take π = 22/7; in sq cm)?
8. 8.Which is closest to 198 + 495 + 896? (a) 1800 (b) 1700 (c) 1600 (d) 1500
9. 9.Find the HCF of 75 and 45.
10. 10.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
11. 11.A price comes down by 15% and then comes down by 20% more. By what percent has it come down in all? =
12. 12.The HCF of two numbers is 6 and their LCM is 84. One of the numbers is 42. What is the other number?
13. 13.The digits of a two-digit number add up to 12. When the digits swap places, the number goes up by 54. What is the number?
14. 14.Meera, Arjun and Karan invest ₹18000, ₹15000 and ₹14000 in a shop. The profit is ₹23500. What is Karan’s share (in ₹)?
15. 15.How many factors does 53 have?
16. 16.6.7 × 5 =
17. 17.A jug has 10 litres of a drink that is 50% mango juice. 15 litres of pure mango juice are added. What percent of the drink is mango juice now?
18. 18.Solve for x: 5(x + 9) = 3x + 73. What is x?
19. 19.Which is closest to 596 × 21? (Round each number first.) (a) 120000 (b) 24000 (c) 1200 (d) 12000
20. 20.A hall floor is 240 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
21. 21.What is 5/9 of 63 kg?
22. 22.A cricket bat bought for ₹780 is sold at a loss of 20%. What is the selling price (in ₹)?
23. 23.After a 30% discount, a study lamp costs ₹2212. What was its marked price (in ₹)?
24. 24.A rectangle has an area of 48 sq cm and a length of 12 cm. What is its perimeter (in cm)?
25. 25.Pipes A and B fill a tank in 6 and 15 hours. Pipe C empties the full tank in 5 hours. If all three are open, how many hours does the tank take to fill?
26. 26.A 70-litre mix has milk and water in the ratio 1 : 6. How many litres of water must be added to make the ratio 1 : 9?
27. 27.A rectangular field is 21 m long and 17 m wide. What is its area (in sq m)?
28. 28.The simple interest on ₹800 for 3 years is ₹312. What is the rate of interest (% per year)?
29. 29.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
30. 30.8 × (23 − 14) + 8 ÷ 4 =
31. 31.Which is closest to 796 × 29? (Round each number first.) (a) 48000 (b) 2400 (c) 240000 (d) 24000
32. 32.Which is closest to 2008 ÷ 39? (a) 50 (b) 25 (c) 100 (d) 500
33. 33.4 years ago, Kavya’s mother was twice as old as Kavya. The mother is 14 years old now. How old is Kavya now?
34. 34.The sum of 4 consecutive odd numbers is 296. What is the smallest of them?
35. 35.Pipe A fills a tank in 4 hours and pipe B fills it in 12 hours. How many hours do both pipes take together?
36. 36.A water tank holds 4880 litres. 15% of the water is used. How many litres are left?
37. 37.How many factors does 75 have?
38. 38.A fish tank is 100 cm long, 90 cm wide and 40 cm high. How many litres of water does it hold when full? (1 litre = 1000 cubic cm)
39. 39.A shopkeeper buys a school bag for ₹720 and sells it for ₹540. Find the loss percent.
40. 40.4 years ago, Isha’s mother was three times as old as Isha. The mother is 13 years old now. How old is Isha now?

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