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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 406 · 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.Round 70675 to the nearest hundred.
  2. 2.What is the smallest number you must take away from 781 so that it divides exactly by 3?
  3. 3.A car goes 153 km on 9 litres of petrol. How far can it go on 38 litres (in km)?
  4. 4.12% of a number is 42. What is the number?
  5. 5.A car goes 140 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
  6. 6.If 2 notebooks cost ₹28, how much do 4 notebooks cost (in ₹)?
  7. 7.Which of these numbers divides exactly by 3? (a) 1862 (b) 1399 (c) 9957 (d) 2630
  8. 8.Find the HCF of 50 and 30.
  9. 9.15 − 42 ÷ 7 × 2 =
  10. 10.Find the LCM of 9, 3 and 15.
  11. 11.2.35 + 6.5 =
  12. 12.Which is closest to 2395 ÷ 29? (a) 160 (b) 80 (c) 800 (d) 40
  13. 13.2/5 of 25 + 4 × 9 =
  14. 14.What percent of 500 is 90?
  15. 15.If 4 kg of rice costs ₹304, how many kg can you buy for ₹228?
  16. 16.A car goes 150 km on 10 litres of petrol. How far can it go on 18 litres (in km)?
  17. 17.What is the smallest number you must take away from 108 so that it divides exactly by 8?
  18. 18.32 + 3 × 2 − 10 =
  19. 19.Round 97.43 to one decimal place. =
  20. 20.Divide ₹450 between Aditya and Ishaan in the ratio 9 : 1. How much does Aditya get (in ₹)?
  21. 21.What is 40% of 35?
  22. 22.The HCF of two numbers is 8 and their LCM is 160. One of the numbers is 40. What is the other number?
  23. 23.15% of a number is 81. What is the number?
  24. 24.Divide ₹472 between Arjun and Rahul in the ratio 3 : 5. How much does Arjun get (in ₹)?
  25. 25.12 : 13 = 84 : ?
  26. 26.Which is closest to 1402 ÷ 19? (a) 140 (b) 700 (c) 35 (d) 70
  27. 27.Which is closest to 498 + 402 + 197? (a) 1300 (b) 1000 (c) 1100 (d) 1200
  28. 28.A car goes 72 km on 6 litres of petrol. How far can it go on 39 litres (in km)?
  29. 29.The HCF of two numbers is 3 and their LCM is 36. One of the numbers is 9. What is the other number?
  30. 30.Find the HCF of 56 and 16.
  31. 31.Which is closest to 993 ÷ 19? (a) 100 (b) 500 (c) 25 (d) 50
  32. 32.If 8 bottles of juice cost ₹168, how much do 11 bottles of juice cost (in ₹)?
  33. 33.Write 7/20 as a percent.
  34. 34.Round 41.21 to one decimal place. =
  35. 35.Three temple bells ring every 24, 5 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  36. 36.How many factors does 46 have?
  37. 37.Nisha scored 18 marks out of 20 in a test. What percentage did Nisha score?
  38. 38.Saanvi takes 90 seconds and Vivaan takes 50 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?
  39. 39.(2 + 14) × 8 − 24 =
  40. 40.2/5 + 2/6 =

Answer key

  1. 70700
  2. 1
  3. 646
  4. 350
  5. 196
  6. 56
  7. 9957
  8. 10
  9. 3
  10. 45
  11. 8.85
  12. 80
  13. 46
  14. 18
  15. 3
  16. 270
  17. 4
  18. 28
  19. 97.4
  20. 405
  21. 14
  22. 32
  23. 540
  24. 177
  25. 91
  26. 70
  27. 1100
  28. 468
  29. 12
  30. 8
  31. 50
  32. 231
  33. 35
  34. 41.2
  35. 120
  36. 4
  37. 90
  38. 450
  39. 104
  40. 11/15

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