Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 944 · 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.Write 4/5 as a percent.
2. 2.How many factors does 22 have?
3. 3.What percent of 250 is 20?
4. 4.Meera scored 38 marks out of 40 in a test. What percentage did Meera score?
5. 5.Which is closest to 503 × 62? (Round each number first.) (a) 30000 (b) 300000 (c) 3000 (d) 60000
6. 6.Nisha scored 2 marks out of 40 in a test. What percentage did Nisha score?
7. 7.Which is closest to 499 × 21? (Round each number first.) (a) 100000 (b) 20000 (c) 10000 (d) 1000
8. 8.Divide ₹322 between Dev and Priya in the ratio 6 : 1. How much does Dev get (in ₹)?
9. 9.Which is closest to 596 × 88? (Round each number first.) (a) 5400 (b) 108000 (c) 54000 (d) 540000
10. 10.If 11 erasers cost ₹539, how much do 9 erasers cost (in ₹)?
11. 11.Find the LCM of 5, 3 and 14.
12. 12.5/11 − 3/9 =
13. 13.Round 43689 to the nearest hundred.
14. 14.Three temple bells ring every 4, 30 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
15. 15.If 3 notebooks cost ₹141, how much do 19 notebooks cost (in ₹)?
16. 16.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?
17. 17.The HCF of two numbers is 7 and their LCM is 140. One of the numbers is 35. What is the other number?
18. 18.How many factors does 36 have?
19. 19.34.8 ÷ 6 =
20. 20.Two tanks hold 225 litres and 270 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
21. 21.If 5 erasers cost ₹70, how much do 11 erasers cost (in ₹)?
22. 22.A hall floor is 200 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
23. 23.Divide ₹371 between Zoya and Vivaan in the ratio 1 : 6. How much does Vivaan get (in ₹)?
24. 24.A hostel has enough food for 11 students for 13 days. How many days will the same food last for 13 students?
25. 25.5/6 + 1/2 =
26. 26.A hall floor is 350 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
27. 27.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 12 students?
28. 28.Which of these numbers divides exactly by 6? (a) 2085 (b) 1469 (c) 9525 (d) 8040
29. 29.What is the smallest number you must add to 815 so that it divides exactly by 6?
30. 30.(14 + 12) × 3 − 16 =
31. 31.75% of a number is 330. What is the number?
32. 32.Pooja scored 32 marks out of 80 in a test. What percentage did Pooja score?
33. 33.12 ÷ 3 × 5 + 12 =
34. 34.1.45 + 1.8 =
35. 35.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 5, 15 or 9.
36. 36.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 9, 15 or 3.
37. 37.Meera scored 20 marks out of 40 in a test. What percentage did Meera score?
38. 38.Which is closest to 197 × 41? (Round each number first.) (a) 80000 (b) 800 (c) 8000 (d) 16000
39. 39.Which is closest to 696 × 82? (Round each number first.) (a) 112000 (b) 5600 (c) 560000 (d) 56000
40. 40.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).

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