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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 928 · 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.Divide ₹104 between Rohan and Diya in the ratio 1 : 3. How much does Rohan get (in ₹)?
  2. 2.Find the LCM of 4, 10 and 3.
  3. 3.If 5 kg of rice costs ₹235, how many kg can you buy for ₹329?
  4. 4.Find the HCF of 117 and 104.
  5. 5.Round 82.22 to one decimal place. =
  6. 6.Which is closest to 2806 ÷ 39? (a) 35 (b) 140 (c) 70 (d) 700
  7. 7.A car goes 90 km on 6 litres of petrol. How far can it go on 12 litres (in km)?
  8. 8.15 + 7 × 7 − 10 =
  9. 9.The HCF of two numbers is 6 and their LCM is 240. One of the numbers is 30. What is the other number?
  10. 10.1/3 of 12 + 3 × 9 =
  11. 11.Write 1/2 as a percent.
  12. 12.The ratio of boys to girls in a class is 4 : 5. There are 8 boys. How many girls are there?
  13. 13.Which of these numbers divides exactly by 8? (a) 6550 (b) 1128 (c) 8827 (d) 3010
  14. 14.Which of these numbers divides exactly by 6? (a) 7563 (b) 4951 (c) 6560 (d) 2538
  15. 15.The ratio of boys to girls in a class is 6 : 5. There are 36 boys. How many girls are there?
  16. 16.Find the HCF of 40 and 72.
  17. 17.Which of these numbers divides exactly by 8? (a) 3129 (b) 5880 (c) 6175 (d) 4987
  18. 18.5% of a number is 17. What is the number?
  19. 19.Which is closest to 497 × 30? (Round each number first.) (a) 150000 (b) 1500 (c) 30000 (d) 15000
  20. 20.4.2 × 8 =
  21. 21.1/5 + 8/10 =
  22. 22.Which is closest to 1206 ÷ 41? (a) 300 (b) 15 (c) 30 (d) 60
  23. 23.The ratio of boys to girls in a class is 3 : 1. There are 15 boys. How many girls are there?
  24. 24.Round 86.84 to one decimal place. =
  25. 25.Round 24.72 to one decimal place. =
  26. 26.Divide ₹588 between Ananya and Vivaan in the ratio 7 : 5. How much does Ananya get (in ₹)?
  27. 27.8 × (14 − 8) + 63 ÷ 7 =
  28. 28.What is the smallest number you must add to 926 so that it divides exactly by 7?
  29. 29.Find the LCM of 4 and 6.
  30. 30.48 ÷ 6 × 5 + 16 =
  31. 31.The HCF of two numbers is 7 and their LCM is 147. One of the numbers is 21. What is the other number?
  32. 32.What is the smallest number you must take away from 304 so that it divides exactly by 3?
  33. 33.Which is closest to 798 × 68? (Round each number first.) (a) 112000 (b) 560000 (c) 5600 (d) 56000
  34. 34.(13 + 3) × 4 − 5 =
  35. 35.The ratio of boys to girls in a class is 4 : 3. There are 28 boys. How many girls are there?
  36. 36.If 4 kg of rice costs ₹328, how many kg can you buy for ₹410?
  37. 37.How many factors does 63 have?
  38. 38.5/6 + 4/10 =
  39. 39.Divide ₹408 between Arjun and Karan in the ratio 1 : 7. How much does Arjun get (in ₹)?
  40. 40.How many factors does 33 have?

Answer key

  1. 26
  2. 60
  3. 7
  4. 13
  5. 82.2
  6. 70
  7. 180
  8. 54
  9. 48
  10. 31
  11. 50
  12. 10
  13. 1128
  14. 2538
  15. 30
  16. 8
  17. 5880
  18. 340
  19. 15000
  20. 33.6
  21. 1
  22. 30
  23. 5
  24. 86.8
  25. 24.7
  26. 343
  27. 57
  28. 5
  29. 12
  30. 56
  31. 49
  32. 1
  33. 56000
  34. 59
  35. 21
  36. 5
  37. 6
  38. 37/30
  39. 51
  40. 4

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