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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 758 · 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.Which is closest to 896 × 30? (Round each number first.) (a) 270000 (b) 2700 (c) 27000 (d) 54000
  2. 2.What is the smallest number you must add to 130 so that it divides exactly by 4?
  3. 3.A car goes 115 km on 5 litres of petrol. How far can it go on 30 litres (in km)?
  4. 4.Which is closest to 801 ÷ 39? (a) 10 (b) 200 (c) 40 (d) 20
  5. 5.Find the LCM of 5 and 8.
  6. 6.4.19 + 4.5 =
  7. 7.A car goes 96 km on 12 litres of petrol. How far can it go on 29 litres (in km)?
  8. 8.Three temple bells ring every 15, 8 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  9. 9.Which of these numbers divides exactly by 8? (a) 7697 (b) 9530 (c) 8621 (d) 3576
  10. 10.Find the third proportional to 4 and 12 (that is, 4 : 12 = 12 : ?).
  11. 11.Which of these numbers divides exactly by 8? (a) 1506 (b) 9945 (c) 6376 (d) 9209
  12. 12.4 : 13 = 16 : ?
  13. 13.5.54 + 4.5 =
  14. 14.Which of these numbers divides exactly by 6? (a) 3405 (b) 8867 (c) 4416 (d) 7297
  15. 15.1.1 × 7 =
  16. 16.Which of these numbers divides exactly by 4? (a) 3248 (b) 2419 (c) 6842 (d) 8177
  17. 17.Find the smallest number bigger than 15 that leaves a remainder of 6 when divided by 15, 10 or 9.
  18. 18.Write 1/2 as a percent.
  19. 19.The HCF of two numbers is 4 and their LCM is 24. One of the numbers is 12. What is the other number?
  20. 20.Find the HCF of 91 and 26.
  21. 21.Divide ₹60 between Isha and Meera in the ratio 2 : 1. How much does Meera get (in ₹)?
  22. 22.Kavya scored 4 marks out of 25 in a test. What percentage did Kavya score?
  23. 23.What percent of 500 is 140?
  24. 24.Find the LCM of 2, 3 and 8.
  25. 25.Which is closest to 901 + 602 + 801? (a) 2500 (b) 2400 (c) 2300 (d) 2200
  26. 26.A car goes 176 km on 11 litres of petrol. How far can it go on 6 litres (in km)?
  27. 27.How many factors does 51 have?
  28. 28.82.8 ÷ 9 =
  29. 29.What is 80% of 355?
  30. 30.Which is closest to 1800 ÷ 31? (a) 120 (b) 600 (c) 30 (d) 60
  31. 31.3.13 + 9.5 =
  32. 32.11 : 6 = 88 : ?
  33. 33.2 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
  34. 34.5 : 2 = 10 : ?
  35. 35.What is the smallest number you must take away from 781 so that it divides exactly by 3?
  36. 36.Which of these numbers divides exactly by 3? (a) 8042 (b) 1099 (c) 7956 (d) 1235
  37. 37.Three temple bells ring every 18, 15 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  38. 38.Find the smallest number bigger than 15 that leaves a remainder of 3 when divided by 15, 8 or 5.
  39. 39.What is the smallest number you must add to 192 so that it divides exactly by 9?
  40. 40.3/7 of 56 + 4 × 7 =

Answer key

  1. 27000
  2. 2
  3. 690
  4. 20
  5. 40
  6. 8.69
  7. 232
  8. 120
  9. 3576
  10. 36
  11. 6376
  12. 52
  13. 10.04
  14. 4416
  15. 7.7
  16. 3248
  17. 96
  18. 50
  19. 8
  20. 13
  21. 20
  22. 16
  23. 28
  24. 24
  25. 2300
  26. 96
  27. 4
  28. 9.2
  29. 284
  30. 60
  31. 12.63
  32. 48
  33. 2
  34. 4
  35. 1
  36. 7956
  37. 90
  38. 123
  39. 6
  40. 52

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