Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 399 · 40 questions

The method (Spot the type): Read the question and name the topic: HCF/LCM, fraction, ratio, percent … Use that lesson’s method and write each step. Check: is the answer sensible in size and units?

1. 1.19.8 ÷ 2 =
2. 2.5/9 of 72 + 4 × 9 =
3. 3.Which of these numbers divides exactly by 6? (a) 5227 (b) 1867 (c) 1849 (d) 8916
4. 4.Farhan scored 8 marks out of 20 in a test. What percentage did Farhan score?
5. 5.Find the LCM of 12 and 14.
6. 6.Round 14039 to the nearest hundred.
7. 7.Which is closest to 600 × 59? (Round each number first.) (a) 36000 (b) 360000 (c) 3600 (d) 72000
8. 8.What is the smallest number you must add to 726 so that it divides exactly by 4?
9. 9.The HCF of two numbers is 9 and their LCM is 189. One of the numbers is 63. What is the other number?
10. 10.(11 + 15) × 3 − 6 =
11. 11.Round 92970 to the nearest thousand.
12. 12.Find the HCF of 42 and 56.
13. 13.If 2 kg of rice costs ₹152, how many kg can you buy for ₹304?
14. 14.Find the third proportional to 8 and 40 (that is, 8 : 40 = 40 : ?).
15. 15.A hostel has enough food for 3 students for 17 days. How many days will the same food last for 17 students?
16. 16.What is 120% of 540?
17. 17.Two tanks hold 100 litres and 225 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
18. 18.60% of a number is 84. What is the number?
19. 19.Rahul takes 54 seconds and Sneha takes 48 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
20. 20.Two tanks hold 120 litres and 105 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
21. 21.12 + 2 × 2 − 1 =
22. 22.10 : 3 = 50 : ?
23. 23.What is 150% of 40?
24. 24.Two tanks hold 35 litres and 15 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
25. 25.The HCF of two numbers is 2 and their LCM is 36. One of the numbers is 4. What is the other number?
26. 26.Rohan takes 75 seconds and Aditya takes 50 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
27. 27.Find the HCF of 32 and 24.
28. 28.Divide ₹416 between Manav and Nisha in the ratio 5 : 3. How much does Nisha get (in ₹)?
29. 29.17 − 8 ÷ 2 × 2 =
30. 30.Find the LCM of 9, 10 and 4.
31. 31.What is the smallest number you must take away from 170 so that it divides exactly by 6?
32. 32.4/12 + 1/5 =
33. 33.Three temple bells ring every 18, 12 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
34. 34.Two tanks hold 450 litres and 400 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
35. 35.If 8 kg of rice costs ₹608, how many kg can you buy for ₹532?
36. 36.54 − 24 ÷ 8 × 6 =
37. 37.The HCF of two numbers is 3 and their LCM is 36. One of the numbers is 12. What is the other number?
38. 38.The HCF of two numbers is 9 and their LCM is 90. One of the numbers is 18. What is the other number?
39. 39.A car goes 18 km on 2 litres of petrol. How far can it go on 7 litres (in km)?
40. 40.Three temple bells ring every 4, 8 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

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