← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 252 · 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.A hostel has enough food for 8 students for 14 days. How many days will the same food last for 2 students?
  2. 2.A hall floor is 180 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  3. 3.Kabir takes 72 seconds and Zoya 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?
  4. 4.Which of these numbers divides exactly by 6? (a) 4720 (b) 6834 (c) 5229 (d) 1009
  5. 5.Two tanks hold 405 litres and 360 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  6. 6.(13 + 6) × 5 − 1 =
  7. 7.Round 9324 to the nearest hundred.
  8. 8.What is 120% of 250?
  9. 9.What is the smallest number you must add to 679 so that it divides exactly by 8?
  10. 10.6 × (25 − 1) + 33 ÷ 3 =
  11. 11.Find the LCM of 32 and 36.
  12. 12.Find the third proportional to 2 and 10 (that is, 2 : 10 = 10 : ?).
  13. 13.12 + 5 × 11 − 4 =
  14. 14.The ratio of boys to girls in a class is 8 : 7. There are 64 boys. How many girls are there?
  15. 15.Divide ₹110 between Pooja and Rahul in the ratio 2 : 3. How much does Rahul get (in ₹)?
  16. 16.A hostel has enough food for 6 students for 10 days. How many days will the same food last for 15 students?
  17. 17.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 10, 15 or 3.
  18. 18.If 2 cricket balls cost ₹16, how much do 12 cricket balls cost (in ₹)?
  19. 19.Which is closest to 3197 ÷ 41? (a) 40 (b) 160 (c) 800 (d) 80
  20. 20.Round 26.37 to one decimal place. =
  21. 21.1/2 + 9/11 =
  22. 22.A car goes 77 km on 7 litres of petrol. How far can it go on 39 litres (in km)?
  23. 23.Which of these numbers divides exactly by 6? (a) 8999 (b) 2820 (c) 9118 (d) 1312
  24. 24.Divide ₹413 between Manav and Diya in the ratio 1 : 6. How much does Manav get (in ₹)?
  25. 25.32 ÷ 8 × 3 + 8 =
  26. 26.Three temple bells ring every 12, 30 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.What is the smallest number you must take away from 630 so that it divides exactly by 12?
  28. 28.Round 86.81 to one decimal place. =
  29. 29.55 ÷ 5 × 4 + 23 =
  30. 30.What is 1/8 of ₹200?
  31. 31.Find the third proportional to 5 and 10 (that is, 5 : 10 = 10 : ?).
  32. 32.What is 30% of 550?
  33. 33.Two tanks hold 25 litres and 20 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  34. 34.Which is closest to 896 × 90? (Round each number first.) (a) 162000 (b) 81000 (c) 8100 (d) 810000
  35. 35.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 12, 4 or 15.
  36. 36.26 + 4 × 8 − 10 =
  37. 37.25% of a number is 90. What is the number?
  38. 38.What is 3/7 of 126 students?
  39. 39.A car goes 72 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
  40. 40.What is 60% of 90?

Answer key

  1. 56
  2. 30
  3. 360
  4. 6834
  5. 45
  6. 94
  7. 9300
  8. 300
  9. 1
  10. 155
  11. 288
  12. 50
  13. 63
  14. 56
  15. 66
  16. 4
  17. 32
  18. 96
  19. 80
  20. 26.4
  21. 29/22
  22. 429
  23. 2820
  24. 59
  25. 20
  26. 120
  27. 6
  28. 86.8
  29. 67
  30. 25
  31. 20
  32. 165
  33. 5
  34. 81000
  35. 62
  36. 48
  37. 360
  38. 54
  39. 288
  40. 54

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