← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 573 · 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 497 + 200 + 795? (a) 1500 (b) 1700 (c) 1400 (d) 1600
  2. 2.Which is closest to 700 × 18? (Round each number first.) (a) 1400 (b) 28000 (c) 140000 (d) 14000
  3. 3.Find the smallest number bigger than 15 that leaves a remainder of 8 when divided by 12, 15 or 10.
  4. 4.A car goes 216 km on 9 litres of petrol. How far can it go on 7 litres (in km)?
  5. 5.What is the smallest number you must add to 812 so that it divides exactly by 6?
  6. 6.41 − 24 ÷ 8 × 6 =
  7. 7.7 × (10 − 5) + 56 ÷ 8 =
  8. 8.9.9 ÷ 9 =
  9. 9.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 5, 8 or 12.
  10. 10.What percent of 20 is 5?
  11. 11.22.5 ÷ 9 =
  12. 12.What percent of 400 is 56?
  13. 13.Which is closest to 791 ÷ 39? (a) 20 (b) 40 (c) 10 (d) 200
  14. 14.8 × (29 − 18) + 40 ÷ 4 =
  15. 15.Round 12.39 to one decimal place. =
  16. 16.If 8 kg of rice costs ₹600, how many kg can you buy for ₹525?
  17. 17.The ratio of boys to girls in a class is 3 : 4. There are 9 boys. How many girls are there?
  18. 18.If 4 kg of rice costs ₹156, how many kg can you buy for ₹117?
  19. 19.What is 4/5 of 30 litres?
  20. 20.12 ÷ 4 × 4 + 10 =
  21. 21.Which is closest to 496 + 596 + 398? (a) 1600 (b) 1400 (c) 1500 (d) 1700
  22. 22.If 7 kg of rice costs ₹539, how many kg can you buy for ₹616?
  23. 23.The HCF of two numbers is 4 and their LCM is 96. One of the numbers is 12. What is the other number?
  24. 24.A hall floor is 480 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  25. 25.(8 + 6) × 4 − 27 =
  26. 26.Two tanks hold 25 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  27. 27.Two tanks hold 120 litres and 150 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  28. 28.4/5 − 1/3 =
  29. 29.50 ÷ 5 × 4 + 14 =
  30. 30.How many factors does 88 have?
  31. 31.(8 + 17) × 7 − 7 =
  32. 32.If 4 mangoes cost ₹20, how much do 2 mangoes cost (in ₹)?
  33. 33.What is the smallest number you must add to 303 so that it divides exactly by 9?
  34. 34.Divide ₹465 between Sneha and Aditya in the ratio 7 : 8. How much does Aditya get (in ₹)?
  35. 35.2 : 6 = 12 : ?
  36. 36.Which is closest to 299 × 79? (Round each number first.) (a) 240000 (b) 48000 (c) 24000 (d) 2400
  37. 37.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 4, 9 or 12.
  38. 38.1/4 × 1/2 =
  39. 39.What is the smallest number you must add to 661 so that it divides exactly by 3?
  40. 40.The HCF of two numbers is 8 and their LCM is 336. One of the numbers is 48. What is the other number?

Answer key

  1. 1500
  2. 14000
  3. 68
  4. 168
  5. 4
  6. 23
  7. 42
  8. 1.1
  9. 122
  10. 25
  11. 2.5
  12. 14
  13. 20
  14. 98
  15. 12.4
  16. 7
  17. 12
  18. 3
  19. 24
  20. 22
  21. 1500
  22. 8
  23. 32
  24. 24
  25. 29
  26. 5
  27. 30
  28. 7/15
  29. 54
  30. 8
  31. 168
  32. 10
  33. 3
  34. 248
  35. 36
  36. 24000
  37. 38
  38. 1/8
  39. 2
  40. 56

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