Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 88 · 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.Which is closest to 95 + 396 + 900? (a) 1500 (b) 1600 (c) 1300 (d) 1400
2. 2.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).
3. 3.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 4 students?
4. 4.The ratio of boys to girls in a class is 8 : 1. There are 24 boys. How many girls are there?
5. 5.Zoya takes 72 seconds and Diya takes 90 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?
6. 6.Which is closest to 199 + 897 + 795? (a) 2100 (b) 1800 (c) 1900 (d) 2000
7. 7.What is 150% of 136?
8. 8.14 + 10 × 5 − 1 =
9. 9.Which is closest to 698 × 48? (Round each number first.) (a) 3500 (b) 35000 (c) 70000 (d) 350000
10. 10.Round 50.33 to one decimal place. =
11. 11.1/2 + 7/9 =
12. 12.9 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
13. 13.What is 1/2 of ₹30?
14. 14.How many factors does 58 have?
15. 15.18 ÷ 3 × 3 + 10 =
16. 16.A hall floor is 210 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
17. 17.Which is closest to 103 + 797 + 901? (a) 2000 (b) 1700 (c) 1800 (d) 1900
18. 18.Two tanks hold 225 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
19. 19.What is the smallest number you must add to 385 so that it divides exactly by 9?
20. 20.Which is closest to 396 × 71? (Round each number first.) (a) 28000 (b) 280000 (c) 56000 (d) 2800
21. 21.8.3 × 2 =
22. 22.How many factors does 23 have?
23. 23.Write 18/25 as a percent.
24. 24.1/2 + 2/9 =
25. 25.Round 37166 to the nearest thousand.
26. 26.What is the smallest number you must take away from 871 so that it divides exactly by 8?
27. 27.The ratio of boys to girls in a class is 5 : 7. There are 20 boys. How many girls are there?
28. 28.What is the smallest number you must take away from 484 so that it divides exactly by 6?
29. 29.A hostel has enough food for 2 students for 9 days. How many days will the same food last for 3 students?
30. 30.A hall floor is 160 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
31. 31.(20 + 3) × 6 − 20 =
32. 32.If 2 mangoes cost ₹56, how much do 20 mangoes cost (in ₹)?
33. 33.8 painters can paint a school in 23 days. How many days would 4 painters take, working at the same speed?
34. 34.Find the HCF of 77 and 66.
35. 35.If 2 cricket balls cost ₹54, how much do 5 cricket balls cost (in ₹)?
36. 36.Three temple bells ring every 9, 18 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
37. 37.Find the smallest number bigger than 15 that leaves a remainder of 7 when divided by 12, 9 or 15.
38. 38.Which of these numbers divides exactly by 6? (a) 1722 (b) 5746 (c) 4906 (d) 5909
39. 39.Which is closest to 899 + 695 + 302? (a) 2100 (b) 1800 (c) 2000 (d) 1900
40. 40.Pooja takes 45 seconds and Ishaan takes 36 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?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude