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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 779 · 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 11 bottles of juice cost ₹341, how much do 13 bottles of juice cost (in ₹)?
  2. 2.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 6 or 4.
  3. 3.Find the LCM of 15, 14 and 3.
  4. 4.What is the smallest number you must add to 629 so that it divides exactly by 9?
  5. 5.What percent of 40 is 4?
  6. 6.Which of these numbers divides exactly by 4? (a) 5602 (b) 3812 (c) 3438 (d) 1077
  7. 7.Find the HCF of 64 and 72.
  8. 8.Find the LCM of 48 and 42.
  9. 9.Round 62.92 to one decimal place. =
  10. 10.(15 + 10) × 4 − 18 =
  11. 11.2/3 − 2/4 =
  12. 12.Find the LCM of 14, 9 and 6.
  13. 13.Find the HCF of 6 and 8.
  14. 14.Find the third proportional to 7 and 28 (that is, 7 : 28 = 28 : ?).
  15. 15.Zoya scored 8 marks out of 80 in a test. What percentage did Zoya score?
  16. 16.Round 45028 to the nearest hundred.
  17. 17.If 5 kg of rice costs ₹350, how many kg can you buy for ₹420?
  18. 18.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  19. 19.What percent of 20 is 1?
  20. 20.56 − 28 ÷ 7 × 4 =
  21. 21.Write 17/20 as a percent.
  22. 22.40 ÷ 8 × 6 + 1 =
  23. 23.The HCF of two numbers is 2 and their LCM is 60. One of the numbers is 10. What is the other number?
  24. 24.3/5 − 2/8 =
  25. 25.Divide ₹630 between Meera and Kavya in the ratio 7 : 8. How much does Meera get (in ₹)?
  26. 26.Which of these numbers divides exactly by 6? (a) 6905 (b) 4921 (c) 4758 (d) 8111
  27. 27.Find the LCM of 2 and 9.
  28. 28.Find the smallest number bigger than 15 that leaves a remainder of 5 when divided by 15, 12 or 8.
  29. 29.90 ÷ 9 × 4 + 10 =
  30. 30.11 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
  31. 31.The HCF of two numbers is 3 and their LCM is 54. One of the numbers is 27. What is the other number?
  32. 32.Which is closest to 1003 ÷ 49? (a) 20 (b) 40 (c) 200 (d) 10
  33. 33.Round 17.34 to one decimal place. =
  34. 34.Find the HCF of 56 and 40.
  35. 35.Vivaan takes 36 seconds and Pooja takes 45 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?
  36. 36.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 8, 3 or 4.
  37. 37.Find the third proportional to 9 and 45 (that is, 9 : 45 = 45 : ?).
  38. 38.Divide ₹322 between Ishaan and Kavya in the ratio 6 : 1. How much does Ishaan get (in ₹)?
  39. 39.Find the HCF of 52 and 39.
  40. 40.7 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?

Answer key

  1. 403
  2. 61
  3. 210
  4. 1
  5. 10
  6. 3812
  7. 8
  8. 336
  9. 62.9
  10. 82
  11. 1/6
  12. 126
  13. 2
  14. 112
  15. 10
  16. 45000
  17. 6
  18. 12
  19. 5
  20. 40
  21. 85
  22. 31
  23. 12
  24. 7/20
  25. 294
  26. 4758
  27. 18
  28. 125
  29. 50
  30. 22
  31. 6
  32. 20
  33. 17.3
  34. 8
  35. 180
  36. 26
  37. 225
  38. 276
  39. 13
  40. 35

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