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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 362 · 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. 1.12 : 14 = 72 : ?
  2. 2.What percent of 50 is 10?
  3. 3.If 4 kg of rice costs ₹320, how many kg can you buy for ₹960?
  4. 4.Round 51777 to the nearest ten.
  5. 5.What is the smallest number you must take away from 118 so that it divides exactly by 6?
  6. 6.If 8 kg of rice costs ₹216, how many kg can you buy for ₹270?
  7. 7.Aarav takes 72 seconds and Arjun takes 30 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?
  8. 8.If 3 pencil boxes cost ₹24, how much do 10 pencil boxes cost (in ₹)?
  9. 9.7 × (26 − 17) + 27 ÷ 3 =
  10. 10.If 4 kg of rice costs ₹260, how many kg can you buy for ₹975?
  11. 11.3/5 of 25 + 6 × 8 =
  12. 12.10% of a number is 11. What is the number?
  13. 13.Which of these numbers divides exactly by 9? (a) 7384 (b) 9724 (c) 2268 (d) 2719
  14. 14.Find the HCF of 36 and 96.
  15. 15.(6 + 6) × 9 − 24 =
  16. 16.47.6 ÷ 7 =
  17. 17.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 3, 5 or 12.
  18. 18.Two tanks hold 50 litres and 125 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  19. 19.What is 15% of 300?
  20. 20.Find the HCF of 12 and 28.
  21. 21.What is the smallest number you must add to 886 so that it divides exactly by 9?
  22. 22.The HCF of two numbers is 8 and their LCM is 320. One of the numbers is 64. What is the other number?
  23. 23.If 5 kg of rice costs ₹150, how many kg can you buy for ₹270?
  24. 24.Divide ₹84 between Rahul and Tara in the ratio 7 : 5. How much does Rahul get (in ₹)?
  25. 25.If 9 mangoes cost ₹36, how much do 16 mangoes cost (in ₹)?
  26. 26.29 + 3 × 5 − 11 =
  27. 27.Three temple bells ring every 4, 8 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  28. 28.A car goes 40 km on 4 litres of petrol. How far can it go on 28 litres (in km)?
  29. 29.A car goes 78 km on 6 litres of petrol. How far can it go on 28 litres (in km)?
  30. 30.The ratio of boys to girls in a class is 7 : 4. There are 56 boys. How many girls are there?
  31. 31.The HCF of two numbers is 9 and their LCM is 126. One of the numbers is 63. What is the other number?
  32. 32.Priya scored 17 marks out of 20 in a test. What percentage did Priya score?
  33. 33.What is 3/4 of 8 students?
  34. 34.Find the LCM of 4, 12 and 15.
  35. 35.What is 75% of 344?
  36. 36.Three temple bells ring every 5, 15 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  37. 37.A car goes 90 km on 5 litres of petrol. How far can it go on 32 litres (in km)?
  38. 38.How many factors does 65 have?
  39. 39.If 3 kg of rice costs ₹81, how many kg can you buy for ₹243?
  40. 40.What percent of 25 is 8?

Answer key

  1. 84
  2. 20
  3. 12
  4. 51780
  5. 4
  6. 10
  7. 360
  8. 80
  9. 72
  10. 15
  11. 63
  12. 110
  13. 2268
  14. 12
  15. 84
  16. 6.8
  17. 62
  18. 25
  19. 45
  20. 4
  21. 5
  22. 40
  23. 9
  24. 49
  25. 64
  26. 33
  27. 24
  28. 280
  29. 364
  30. 32
  31. 18
  32. 85
  33. 6
  34. 60
  35. 258
  36. 120
  37. 576
  38. 4
  39. 9
  40. 32

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