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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 965 · 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.Rohan scored 17 marks out of 50 in a test. What percentage did Rohan score?
  2. 2.Find the HCF of 135 and 60.
  3. 3.2/5 × 4/9 =
  4. 4.9.8 × 6 =
  5. 5.A hall floor is 240 cm long and 210 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  6. 6.4 : 8 = 16 : ?
  7. 7.If 11 notebooks cost ₹616, how much do 2 notebooks cost (in ₹)?
  8. 8.9.07 + 7.4 =
  9. 9.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 10, 8 or 3.
  10. 10.(17 + 16) × 5 − 3 =
  11. 11.Which is closest to 2695 ÷ 29? (a) 180 (b) 90 (c) 900 (d) 45
  12. 12.What is the smallest number you must add to 969 so that it divides exactly by 12?
  13. 13.Write 11/20 as a percent.
  14. 14.What is 150% of 496?
  15. 15.Find the LCM of 7 and 6.
  16. 16.27 ÷ 3 × 2 + 2 =
  17. 17.9.2 ÷ 2 =
  18. 18.Round 74.57 to one decimal place. =
  19. 19.1.1 × 5 =
  20. 20.Find the HCF of 56 and 126.
  21. 21.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 5, 10 or 6.
  22. 22.The HCF of two numbers is 7 and their LCM is 126. One of the numbers is 63. What is the other number?
  23. 23.Three temple bells ring every 12, 6 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.A hall floor is 300 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  25. 25.Divide ₹689 between Vivaan and Nisha in the ratio 7 : 6. How much does Nisha get (in ₹)?
  26. 26.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 5, 6 or 15.
  27. 27.What is the smallest number you must take away from 419 so that it divides exactly by 6?
  28. 28.What is the smallest number you must add to 329 so that it divides exactly by 4?
  29. 29.Which is closest to 3599 ÷ 41? (a) 90 (b) 900 (c) 180 (d) 45
  30. 30.If 3 kg of rice costs ₹129, how many kg can you buy for ₹430?
  31. 31.Find the LCM of 2 and 9.
  32. 32.If 7 bottles of juice cost ₹161, how much do 14 bottles of juice cost (in ₹)?
  33. 33.Find the LCM of 10 and 6.
  34. 34.9.6 × 3 =
  35. 35.9.56 + 6.2 =
  36. 36.A car goes 57 km on 3 litres of petrol. How far can it go on 22 litres (in km)?
  37. 37.15 ÷ 5 × 2 + 24 =
  38. 38.Three temple bells ring every 30, 24 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.The HCF of two numbers is 3 and their LCM is 189. One of the numbers is 21. What is the other number?
  40. 40.Round 16618 to the nearest hundred.

Answer key

  1. 34
  2. 15
  3. 8/45
  4. 58.8
  5. 56
  6. 32
  7. 112
  8. 16.47
  9. 121
  10. 162
  11. 90
  12. 3
  13. 55
  14. 744
  15. 42
  16. 20
  17. 4.6
  18. 74.6
  19. 5.5
  20. 14
  21. 33
  22. 14
  23. 24
  24. 15
  25. 318
  26. 32
  27. 5
  28. 3
  29. 90
  30. 10
  31. 18
  32. 322
  33. 30
  34. 28.8
  35. 15.76
  36. 418
  37. 30
  38. 120
  39. 27
  40. 16600

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