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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 266 · 40 questions
TalentJR

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?

NameDateTime takenScore ___ / 40
  1. 1.50 + 5 × 10 − 42 =
  2. 2.Divide ₹55 between Diya and Meera in the ratio 3 : 8. How much does Diya get (in ₹)?
  3. 3.79 − 36 ÷ 6 × 7 =
  4. 4.6/7 of 70 + 2 × 6 =
  5. 5.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  6. 6.What percent of 200 is 188?
  7. 7.What is 10% of 560?
  8. 8.Divide ₹644 between Meera and Isha in the ratio 5 : 9. How much does Isha get (in ₹)?
  9. 9.Round 55833 to the nearest ten.
  10. 10.A hall floor is 240 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  11. 11.The ratio of boys to girls in a class is 5 : 7. There are 45 boys. How many girls are there?
  12. 12.What is the smallest number you must add to 437 so that it divides exactly by 12?
  13. 13.A hostel has enough food for 6 students for 8 days. How many days will the same food last for 3 students?
  14. 14.The ratio of boys to girls in a class is 6 : 5. There are 48 boys. How many girls are there?
  15. 15.Three temple bells ring every 18, 12 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  16. 16.What is 1/4 of ₹36?
  17. 17.What is 25% of 588?
  18. 18.Which is closest to 603 × 62? (Round each number first.) (a) 36000 (b) 72000 (c) 360000 (d) 3600
  19. 19.88 ÷ 8 × 5 + 27 =
  20. 20.What is the smallest number you must take away from 614 so that it divides exactly by 4?
  21. 21.If 6 kg of rice costs ₹234, how many kg can you buy for ₹156?
  22. 22.Round 75962 to the nearest thousand.
  23. 23.63 ÷ 7 × 4 + 9 =
  24. 24.2/3 + 4/6 =
  25. 25.2/7 of 21 + 2 × 8 =
  26. 26.7 × (25 − 15) + 45 ÷ 9 =
  27. 27.58 − 36 ÷ 9 × 8 =
  28. 28.3 × (17 − 14) + 45 ÷ 5 =
  29. 29.5% of a number is 25. What is the number?
  30. 30.Three temple bells ring every 6, 4 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  31. 31.Which of these numbers divides exactly by 4? (a) 4153 (b) 4235 (c) 1110 (d) 7148
  32. 32.7 × (21 − 16) + 88 ÷ 8 =
  33. 33.1/4 × 4/5 =
  34. 34.The ratio of boys to girls in a class is 8 : 3. There are 56 boys. How many girls are there?
  35. 35.Write 1/4 as a percent.
  36. 36.If 6 kg of rice costs ₹492, how many kg can you buy for ₹164?
  37. 37.1/2 of 4 + 7 × 8 =
  38. 38.Find the LCM of 2, 11 and 10.
  39. 39.Which is closest to 397 × 52? (Round each number first.) (a) 40000 (b) 200000 (c) 2000 (d) 20000
  40. 40.Find the HCF of 75 and 135.

Answer key

  1. 58
  2. 15
  3. 37
  4. 72
  5. 24
  6. 94
  7. 56
  8. 414
  9. 55830
  10. 24
  11. 63
  12. 7
  13. 16
  14. 40
  15. 36
  16. 9
  17. 147
  18. 36000
  19. 82
  20. 2
  21. 4
  22. 76000
  23. 45
  24. 4/3
  25. 22
  26. 75
  27. 26
  28. 18
  29. 500
  30. 60
  31. 7148
  32. 46
  33. 1/5
  34. 21
  35. 25
  36. 2
  37. 58
  38. 110
  39. 20000
  40. 15

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