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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 785 · 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 is 60% of 470?
  2. 2.99 ÷ 9 × 8 + 14 =
  3. 3.8.6 × 2 =
  4. 4.What is 40% of 170?
  5. 5.What is the smallest number you must take away from 490 so that it divides exactly by 11?
  6. 6.What is the smallest number you must take away from 515 so that it divides exactly by 3?
  7. 7.(4 + 5) × 2 − 6 =
  8. 8.Find the smallest number bigger than 12 that leaves a remainder of 5 when divided by 12, 8 or 10.
  9. 9.Isha scored 1 marks out of 25 in a test. What percentage did Isha score?
  10. 10.If 9 cricket balls cost ₹108, how much do 10 cricket balls cost (in ₹)?
  11. 11.Which is closest to 204 × 60? (Round each number first.) (a) 24000 (b) 1200 (c) 120000 (d) 12000
  12. 12.A hall floor is 160 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  13. 13.What is 60% of 105?
  14. 14.The HCF of two numbers is 6 and their LCM is 72. One of the numbers is 18. What is the other number?
  15. 15.Which is closest to 809 ÷ 39? (a) 40 (b) 200 (c) 10 (d) 20
  16. 16.Which of these numbers divides exactly by 11? (a) 9081 (b) 6546 (c) 4767 (d) 4664
  17. 17.A car goes 16 km on 2 litres of petrol. How far can it go on 5 litres (in km)?
  18. 18.18 ÷ 3 × 9 + 12 =
  19. 19.Write 29/50 as a percent.
  20. 20.If 11 notebooks cost ₹385, how much do 10 notebooks cost (in ₹)?
  21. 21.A hostel has enough food for 2 students for 4 days. How many days will the same food last for 4 students?
  22. 22.What percent of 250 is 95?
  23. 23.Which is closest to 396 ÷ 19? (a) 10 (b) 40 (c) 200 (d) 20
  24. 24.Two tanks hold 30 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  25. 25.Round 76.93 to one decimal place. =
  26. 26.What is the smallest number you must add to 962 so that it divides exactly by 7?
  27. 27.If 6 kg of rice costs ₹306, how many kg can you buy for ₹357?
  28. 28.Vivaan scored 17 marks out of 20 in a test. What percentage did Vivaan score?
  29. 29.Write 2/5 as a percent.
  30. 30.(3 + 3) × 5 − 14 =
  31. 31.If 7 pens cost ₹21, how much do 19 pens cost (in ₹)?
  32. 32.4.2 ÷ 2 =
  33. 33.A hall floor is 160 cm long and 140 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  34. 34.Find the HCF of 80 and 30.
  35. 35.The HCF of two numbers is 5 and their LCM is 50. One of the numbers is 10. What is the other number?
  36. 36.A hostel has enough food for 7 students for 24 days. How many days will the same food last for 8 students?
  37. 37.Which is closest to 202 + 105 + 702? (a) 1200 (b) 1000 (c) 900 (d) 1100
  38. 38.What is 50% of 56?
  39. 39.60.8 ÷ 8 =
  40. 40.Two tanks hold 30 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?

Answer key

  1. 282
  2. 102
  3. 17.2
  4. 68
  5. 6
  6. 2
  7. 12
  8. 125
  9. 4
  10. 120
  11. 12000
  12. 12
  13. 63
  14. 24
  15. 20
  16. 4664
  17. 40
  18. 66
  19. 58
  20. 350
  21. 2
  22. 38
  23. 20
  24. 15
  25. 76.9
  26. 4
  27. 7
  28. 85
  29. 40
  30. 16
  31. 57
  32. 2.1
  33. 56
  34. 10
  35. 25
  36. 21
  37. 1000
  38. 28
  39. 7.6
  40. 10

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