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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 922 · 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. 1.25 ÷ 5 × 8 + 11 =
  2. 2.2/8 × 1/3 =
  3. 3.4.47 + 5.7 =
  4. 4.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 12, 4 or 5.
  5. 5.7.7 × 9 =
  6. 6.41 + 4 × 2 − 1 =
  7. 7.What is the smallest number you must take away from 271 so that it divides exactly by 6?
  8. 8.The HCF of two numbers is 4 and their LCM is 144. One of the numbers is 16. What is the other number?
  9. 9.Which of these numbers divides exactly by 11? (a) 2679 (b) 9950 (c) 1332 (d) 1276
  10. 10.What is 2/3 of 63 km?
  11. 11.Divide ₹126 between Priya and Aarav in the ratio 5 : 1. How much does Priya get (in ₹)?
  12. 12.24 ÷ 4 × 5 + 25 =
  13. 13.What is 15% of 560?
  14. 14.Which of these numbers divides exactly by 3? (a) 7476 (b) 1291 (c) 8447 (d) 7565
  15. 15.If 3 pencil boxes cost ₹54, how much do 4 pencil boxes cost (in ₹)?
  16. 16.Round 80676 to the nearest hundred.
  17. 17.What percent of 200 is 38?
  18. 18.12 painters can paint a school in 9 days. How many days would 2 painters take, working at the same speed?
  19. 19.Tara scored 6 marks out of 25 in a test. What percentage did Tara score?
  20. 20.Find the LCM of 3, 7 and 5.
  21. 21.84 ÷ 7 × 6 + 23 =
  22. 22.1/5 × 1/2 =
  23. 23.What is the smallest number you must add to 543 so that it divides exactly by 13?
  24. 24.If 4 kg of rice costs ₹244, how many kg can you buy for ₹366?
  25. 25.65.1 ÷ 7 =
  26. 26.Which of these numbers divides exactly by 4? (a) 8941 (b) 2782 (c) 5402 (d) 1468
  27. 27.What is the smallest number you must add to 369 so that it divides exactly by 12?
  28. 28.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  29. 29.Write 1/2 as a percent.
  30. 30.30 ÷ 3 × 8 + 15 =
  31. 31.Round 72.92 to one decimal place. =
  32. 32.How many factors does 74 have?
  33. 33.150% of a number is 213. What is the number?
  34. 34.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 3 or 4.
  35. 35.Find the third proportional to 6 and 30 (that is, 6 : 30 = 30 : ?).
  36. 36.Aditya scored 16 marks out of 20 in a test. What percentage did Aditya score?
  37. 37.Rahul takes 72 seconds and Aarav takes 90 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?
  38. 38.Find the LCM of 8, 5 and 2.
  39. 39.The ratio of boys to girls in a class is 5 : 6. There are 40 boys. How many girls are there?
  40. 40.1/2 × 1/4 =

Answer key

  1. 51
  2. 1/12
  3. 10.17
  4. 63
  5. 69.3
  6. 48
  7. 1
  8. 36
  9. 1276
  10. 42
  11. 105
  12. 55
  13. 84
  14. 7476
  15. 72
  16. 80700
  17. 19
  18. 54
  19. 24
  20. 105
  21. 95
  22. 1/10
  23. 3
  24. 6
  25. 9.3
  26. 1468
  27. 3
  28. 16
  29. 50
  30. 95
  31. 72.9
  32. 4
  33. 142
  34. 62
  35. 150
  36. 80
  37. 360
  38. 40
  39. 48
  40. 1/8

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