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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 572 · 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 5/9 of ₹45?
  2. 2.Round 12.12 to one decimal place. =
  3. 3.Which of these numbers divides exactly by 6? (a) 6230 (b) 9715 (c) 5330 (d) 4050
  4. 4.3.74 + 5.6 =
  5. 5.25% of a number is 87. What is the number?
  6. 6.Write 1/2 as a percent.
  7. 7.Find the HCF of 16 and 40.
  8. 8.A hall floor is 90 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  9. 9.3/8 − 2/10 =
  10. 10.60 ÷ 6 × 8 + 27 =
  11. 11.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  12. 12.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  13. 13.If 12 mangoes cost ₹612, how much do 10 mangoes cost (in ₹)?
  14. 14.Divide ₹104 between Priya and Kavya in the ratio 5 : 3. How much does Kavya get (in ₹)?
  15. 15.33 + 12 × 2 − 16 =
  16. 16.9.85 + 7.7 =
  17. 17.Find the LCM of 6 and 10.
  18. 18.36 ÷ 4 × 3 + 25 =
  19. 19.Find the HCF of 42 and 18.
  20. 20.2.76 + 9.6 =
  21. 21.Which of these numbers divides exactly by 9? (a) 4932 (b) 5054 (c) 9780 (d) 7698
  22. 22.Pooja scored 56 marks out of 80 in a test. What percentage did Pooja score?
  23. 23.If 2 kg of rice costs ₹178, how many kg can you buy for ₹1335?
  24. 24.Kabir takes 36 seconds and Aarav takes 30 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?
  25. 25.3/4 + 3/8 =
  26. 26.What is the smallest number you must take away from 101 so that it divides exactly by 4?
  27. 27.If 9 notebooks cost ₹207, how much do 12 notebooks cost (in ₹)?
  28. 28.Which is closest to 600 × 32? (Round each number first.) (a) 36000 (b) 1800 (c) 180000 (d) 18000
  29. 29.A hall floor is 300 cm long and 250 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  30. 30.Divide ₹228 between Meera and Aditya in the ratio 1 : 5. How much does Aditya get (in ₹)?
  31. 31.If 8 kg of rice costs ₹328, how many kg can you buy for ₹451?
  32. 32.Find the LCM of 3, 9 and 4.
  33. 33.The HCF of two numbers is 3 and their LCM is 135. One of the numbers is 27. What is the other number?
  34. 34.Which of these numbers divides exactly by 3? (a) 6179 (b) 3476 (c) 3738 (d) 2320
  35. 35.A hostel has enough food for 7 students for 15 days. How many days will the same food last for 15 students?
  36. 36.A hall floor is 350 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  37. 37.If 2 pens cost ₹38, how much do 18 pens cost (in ₹)?
  38. 38.Which is closest to 1596 ÷ 39? (a) 400 (b) 40 (c) 20 (d) 80
  39. 39.18 − 27 ÷ 9 × 3 =
  40. 40.Divide ₹342 between Rohan and Aarav in the ratio 8 : 1. How much does Rohan get (in ₹)?

Answer key

  1. 25
  2. 12.1
  3. 4050
  4. 9.34
  5. 348
  6. 50
  7. 8
  8. 6
  9. 7/40
  10. 107
  11. 28
  12. 16
  13. 510
  14. 39
  15. 41
  16. 17.55
  17. 30
  18. 52
  19. 6
  20. 12.36
  21. 4932
  22. 70
  23. 15
  24. 180
  25. 9/8
  26. 1
  27. 276
  28. 18000
  29. 30
  30. 190
  31. 11
  32. 36
  33. 15
  34. 3738
  35. 7
  36. 21
  37. 342
  38. 40
  39. 9
  40. 304

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