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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 953 · 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.If 2 cricket balls cost ₹14, how much do 11 cricket balls cost (in ₹)?
  2. 2.Dev takes 40 seconds and Rohan takes 48 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  3. 3.2 : 5 = 4 : ?
  4. 4.11 : 2 = 55 : ?
  5. 5.Find the HCF of 12 and 16.
  6. 6.What percent of 250 is 180?
  7. 7.Round 15735 to the nearest hundred.
  8. 8.A hall floor is 250 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  9. 9.3/5 of 50 + 8 × 6 =
  10. 10.1.5 × 5 =
  11. 11.1.5 × 9 =
  12. 12.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 4, 5 or 12.
  13. 13.3/6 × 2/12 =
  14. 14.2/7 × 5/12 =
  15. 15.84 − 45 ÷ 5 × 8 =
  16. 16.2/3 of 24 + 2 × 9 =
  17. 17.90 ÷ 9 × 8 + 7 =
  18. 18.7.56 + 2.1 =
  19. 19.What is the smallest number you must add to 752 so that it divides exactly by 7?
  20. 20.2 : 8 = 6 : ?
  21. 21.Two tanks hold 140 litres and 160 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  22. 22.Which of these numbers divides exactly by 3? (a) 7958 (b) 4551 (c) 4498 (d) 4526
  23. 23.If 11 kites cost ₹440, how much do 9 kites cost (in ₹)?
  24. 24.A hostel has enough food for 11 students for 30 days. How many days will the same food last for 10 students?
  25. 25.Write 1/2 as a percent.
  26. 26.If 4 kg of rice costs ₹320, how many kg can you buy for ₹160?
  27. 27.80% of a number is 56. What is the number?
  28. 28.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 6, 5 or 8.
  29. 29.Arjun scored 20 marks out of 40 in a test. What percentage did Arjun score?
  30. 30.6 × (29 − 17) + 16 ÷ 2 =
  31. 31.(2 + 14) × 8 − 5 =
  32. 32.Find the HCF of 45 and 30.
  33. 33.Pooja takes 60 seconds and Arjun takes 40 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  34. 34.Write 3/10 as a percent.
  35. 35.Which of these numbers divides exactly by 6? (a) 2090 (b) 6182 (c) 1320 (d) 2271
  36. 36.Round 71411 to the nearest hundred.
  37. 37.Divide ₹520 between Manav and Nisha in the ratio 7 : 3. How much does Nisha get (in ₹)?
  38. 38.What is 40% of 145?
  39. 39.What is the smallest number you must add to 221 so that it divides exactly by 9?
  40. 40.Which is closest to 395 + 503 + 198? (a) 1000 (b) 1100 (c) 1300 (d) 1200

Answer key

  1. 77
  2. 240
  3. 10
  4. 10
  5. 4
  6. 72
  7. 15700
  8. 15
  9. 78
  10. 7.5
  11. 13.5
  12. 63
  13. 1/12
  14. 5/42
  15. 12
  16. 34
  17. 87
  18. 9.66
  19. 4
  20. 24
  21. 20
  22. 4551
  23. 360
  24. 33
  25. 50
  26. 2
  27. 70
  28. 121
  29. 50
  30. 80
  31. 123
  32. 15
  33. 120
  34. 30
  35. 1320
  36. 71400
  37. 156
  38. 58
  39. 4
  40. 1100

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