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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 156 · 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.Find the LCM of 8 and 9.
  2. 2.Two tanks hold 70 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  3. 3.Round 24.89 to one decimal place. =
  4. 4.1/2 × 5/7 =
  5. 5.If 5 mangoes cost ₹65, how much do 10 mangoes cost (in ₹)?
  6. 6.Divide ₹104 between Rohan and Rahul in the ratio 8 : 5. How much does Rohan get (in ₹)?
  7. 7.Which of these numbers divides exactly by 11? (a) 7337 (b) 2334 (c) 5185 (d) 3185
  8. 8.18 − 20 ÷ 5 × 3 =
  9. 9.Which of these numbers divides exactly by 9? (a) 3615 (b) 1782 (c) 3453 (d) 7217
  10. 10.Find the LCM of 9, 6 and 13.
  11. 11.If 10 mangoes cost ₹100, how much do 7 mangoes cost (in ₹)?
  12. 12.What percent of 25 is 13?
  13. 13.Which of these numbers divides exactly by 4? (a) 3501 (b) 5300 (c) 7570 (d) 8297
  14. 14.56 − 18 ÷ 9 × 9 =
  15. 15.16.4 ÷ 4 =
  16. 16.5 × (23 − 10) + 108 ÷ 9 =
  17. 17.A hall floor is 175 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  18. 18.If 5 kg of rice costs ₹385, how many kg can you buy for ₹154?
  19. 19.Diya scored 35 marks out of 50 in a test. What percentage did Diya score?
  20. 20.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 9, 15 or 6.
  21. 21.What is the smallest number you must add to 874 so that it divides exactly by 6?
  22. 22.The HCF of two numbers is 8 and their LCM is 448. One of the numbers is 64. What is the other number?
  23. 23.The ratio of boys to girls in a class is 5 : 8. There are 10 boys. How many girls are there?
  24. 24.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 8, 10 or 12.
  25. 25.80% of a number is 176. What is the number?
  26. 26.8.6 × 4 =
  27. 27.Which is closest to 201 × 92? (Round each number first.) (a) 36000 (b) 1800 (c) 180000 (d) 18000
  28. 28.What is the smallest number you must take away from 568 so that it divides exactly by 12?
  29. 29.33 − 28 ÷ 7 × 5 =
  30. 30.5 × (26 − 6) + 55 ÷ 5 =
  31. 31.What percent of 400 is 268?
  32. 32.The ratio of boys to girls in a class is 1 : 9. There are 6 boys. How many girls are there?
  33. 33.7 : 15 = 56 : ?
  34. 34.10 : 2 = 40 : ?
  35. 35.Which is closest to 399 + 597 + 96? (a) 1200 (b) 1000 (c) 1100 (d) 1300
  36. 36.What is the smallest number you must add to 757 so that it divides exactly by 6?
  37. 37.If 5 kg of rice costs ₹290, how many kg can you buy for ₹754?
  38. 38.Which is closest to 404 × 58? (Round each number first.) (a) 48000 (b) 2400 (c) 24000 (d) 240000
  39. 39.(18 + 4) × 5 − 13 =
  40. 40.Three temple bells ring every 12, 15 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 72
  2. 10
  3. 24.9
  4. 5/14
  5. 130
  6. 64
  7. 7337
  8. 6
  9. 1782
  10. 234
  11. 70
  12. 52
  13. 5300
  14. 38
  15. 4.1
  16. 77
  17. 21
  18. 2
  19. 70
  20. 91
  21. 2
  22. 56
  23. 16
  24. 121
  25. 220
  26. 34.4
  27. 18000
  28. 4
  29. 13
  30. 111
  31. 67
  32. 54
  33. 120
  34. 8
  35. 1100
  36. 5
  37. 13
  38. 24000
  39. 97
  40. 60

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