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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 509 · 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.What percent of 40 is 24?
  2. 2.12 ÷ 6 × 3 + 25 =
  3. 3.1.4 × 9 =
  4. 4.Find the LCM of 14, 4 and 12.
  5. 5.Which is closest to 705 + 499 + 904? (a) 2000 (b) 2200 (c) 2300 (d) 2100
  6. 6.What is the smallest number you must take away from 518 so that it divides exactly by 12?
  7. 7.The ratio of boys to girls in a class is 6 : 5. There are 30 boys. How many girls are there?
  8. 8.2/12 × 1/3 =
  9. 9.Three temple bells ring every 4, 30 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.Find the LCM of 6 and 5.
  11. 11.Find the LCM of 36 and 16.
  12. 12.Divide ₹576 between Aarav and Kabir in the ratio 5 : 7. How much does Aarav get (in ₹)?
  13. 13.20% of a number is 27. What is the number?
  14. 14.6 × (20 − 18) + 8 ÷ 2 =
  15. 15.Which of these numbers divides exactly by 9? (a) 8111 (b) 5844 (c) 3033 (d) 6495
  16. 16.72 ÷ 8 × 3 + 4 =
  17. 17.Diya scored 28 marks out of 80 in a test. What percentage did Diya score?
  18. 18.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?
  19. 19.What is the smallest number you must take away from 234 so that it divides exactly by 4?
  20. 20.39 − 32 ÷ 4 × 4 =
  21. 21.3.1 × 8 =
  22. 22.What is the smallest number you must add to 207 so that it divides exactly by 7?
  23. 23.Which of these numbers divides exactly by 3? (a) 8090 (b) 3495 (c) 7919 (d) 8774
  24. 24.Which is closest to 598 + 895 + 101? (a) 1600 (b) 1800 (c) 1700 (d) 1500
  25. 25.Which of these numbers divides exactly by 4? (a) 1037 (b) 4976 (c) 9026 (d) 2231
  26. 26.If 6 kg of rice costs ₹240, how many kg can you buy for ₹80?
  27. 27.Write 17/20 as a percent.
  28. 28.A hostel has enough food for 2 students for 20 days. How many days will the same food last for 5 students?
  29. 29.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?
  30. 30.(19 + 4) × 4 − 1 =
  31. 31.Which is closest to 99 + 196 + 304? (a) 700 (b) 600 (c) 800 (d) 500
  32. 32.The HCF of two numbers is 5 and their LCM is 75. One of the numbers is 25. What is the other number?
  33. 33.Find the LCM of 27 and 15.
  34. 34.8.46 + 4.7 =
  35. 35.What percent of 40 is 22?
  36. 36.Divide ₹555 between Zoya and Kavya in the ratio 8 : 7. How much does Zoya get (in ₹)?
  37. 37.Write 43/50 as a percent.
  38. 38.Which of these numbers divides exactly by 3? (a) 5322 (b) 5213 (c) 5551 (d) 4775
  39. 39.2/3 of 18 + 3 × 4 =
  40. 40.If 9 kg of rice costs ₹693, how many kg can you buy for ₹770?

Answer key

  1. 60
  2. 31
  3. 12.6
  4. 84
  5. 2100
  6. 2
  7. 25
  8. 1/18
  9. 60
  10. 30
  11. 144
  12. 240
  13. 135
  14. 16
  15. 3033
  16. 31
  17. 35
  18. 15
  19. 2
  20. 7
  21. 24.8
  22. 3
  23. 3495
  24. 1600
  25. 4976
  26. 2
  27. 85
  28. 8
  29. 12
  30. 91
  31. 600
  32. 15
  33. 135
  34. 13.16
  35. 55
  36. 296
  37. 86
  38. 5322
  39. 24
  40. 10

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