← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 260 · 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. 1.2/11 + 1/7 =
  2. 2.A car goes 65 km on 5 litres of petrol. How far can it go on 38 litres (in km)?
  3. 3.Which is closest to 497 + 596 + 601? (a) 1600 (b) 1700 (c) 1900 (d) 1800
  4. 4.A car goes 96 km on 6 litres of petrol. How far can it go on 14 litres (in km)?
  5. 5.If 6 mangoes cost ₹162, how much do 20 mangoes cost (in ₹)?
  6. 6.The HCF of two numbers is 8 and their LCM is 288. One of the numbers is 72. What is the other number?
  7. 7.Find the LCM of 2, 7 and 15.
  8. 8.Three temple bells ring every 18, 6 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  9. 9.Find the LCM of 3, 15 and 10.
  10. 10.Round 65.16 to one decimal place. =
  11. 11.Dev takes 36 seconds and Tara takes 40 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?
  12. 12.Find the LCM of 9, 7 and 2.
  13. 13.What is the smallest number you must take away from 302 so that it divides exactly by 8?
  14. 14.11.7 ÷ 9 =
  15. 15.Divide ₹462 between Nisha and Rahul in the ratio 2 : 9. How much does Rahul get (in ₹)?
  16. 16.If 6 mangoes cost ₹18, how much do 7 mangoes cost (in ₹)?
  17. 17.Find the LCM of 16 and 10.
  18. 18.If 2 kg of rice costs ₹70, how many kg can you buy for ₹525?
  19. 19.50% of a number is 47. What is the number?
  20. 20.Find the HCF of 33 and 55.
  21. 21.Which is closest to 198 × 38? (Round each number first.) (a) 80000 (b) 800 (c) 16000 (d) 8000
  22. 22.Vivaan scored 18 marks out of 25 in a test. What percentage did Vivaan score?
  23. 23.What is the smallest number you must take away from 545 so that it divides exactly by 3?
  24. 24.What percent of 20 is 11?
  25. 25.What is the smallest number you must add to 106 so that it divides exactly by 7?
  26. 26.What percent of 40 is 20?
  27. 27.How many factors does 56 have?
  28. 28.Two tanks hold 150 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  29. 29.What is the smallest number you must add to 851 so that it divides exactly by 4?
  30. 30.Three temple bells ring every 10, 20 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  31. 31.What is 1/2 of ₹44?
  32. 32.Which is closest to 2104 ÷ 29? (a) 140 (b) 35 (c) 700 (d) 70
  33. 33.Two tanks hold 50 litres and 75 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  34. 34.Two tanks hold 250 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  35. 35.Find the HCF of 8 and 28.
  36. 36.6 : 7 = 18 : ?
  37. 37.A car goes 22 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
  38. 38.Priya takes 30 seconds and Meera takes 36 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.Round 18970 to the nearest hundred.
  40. 40.A car goes 144 km on 12 litres of petrol. How far can it go on 8 litres (in km)?

Answer key

  1. 25/77
  2. 494
  3. 1700
  4. 224
  5. 540
  6. 32
  7. 210
  8. 72
  9. 30
  10. 65.2
  11. 360
  12. 126
  13. 6
  14. 1.3
  15. 378
  16. 21
  17. 80
  18. 15
  19. 94
  20. 11
  21. 8000
  22. 72
  23. 2
  24. 55
  25. 6
  26. 50
  27. 8
  28. 30
  29. 1
  30. 60
  31. 22
  32. 70
  33. 25
  34. 50
  35. 4
  36. 21
  37. 44
  38. 180
  39. 19000
  40. 96

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude