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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 294 · 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.Two tanks hold 150 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  2. 2.What is the smallest number you must add to 393 so that it divides exactly by 9?
  3. 3.If 10 notebooks cost ₹300, how much do 11 notebooks cost (in ₹)?
  4. 4.What is 1/2 of 26 litres?
  5. 5.A car goes 33 km on 3 litres of petrol. How far can it go on 9 litres (in km)?
  6. 6.What is the smallest number you must add to 890 so that it divides exactly by 9?
  7. 7.Which is closest to 603 × 60? (Round each number first.) (a) 72000 (b) 36000 (c) 3600 (d) 360000
  8. 8.What is the smallest number you must take away from 967 so that it divides exactly by 13?
  9. 9.How many factors does 65 have?
  10. 10.A car goes 84 km on 7 litres of petrol. How far can it go on 27 litres (in km)?
  11. 11.33 − 16 ÷ 2 × 4 =
  12. 12.If 5 pens cost ₹75, how much do 13 pens cost (in ₹)?
  13. 13.What is 1/2 of ₹8?
  14. 14.6/11 − 6/12 =
  15. 15.Find the LCM of 14 and 8.
  16. 16.What percent of 50 is 43?
  17. 17.Karan scored 19 marks out of 20 in a test. What percentage did Karan score?
  18. 18.Write 9/20 as a percent.
  19. 19.Round 26.63 to one decimal place. =
  20. 20.Find the LCM of 8 and 3.
  21. 21.Divide ₹45 between Saanvi and Ananya in the ratio 8 : 1. How much does Ananya get (in ₹)?
  22. 22.11 + 7 × 5 − 7 =
  23. 23.Find the LCM of 7 and 8.
  24. 24.7 : 11 = 56 : ?
  25. 25.46 + 8 × 11 − 46 =
  26. 26.Sneha takes 60 seconds and Manav 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?
  27. 27.12 + 12 × 5 − 1 =
  28. 28.4.8 × 3 =
  29. 29.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?
  30. 30.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 10 or 4.
  31. 31.Which of these numbers divides exactly by 4? (a) 1574 (b) 9029 (c) 9505 (d) 3544
  32. 32.Which is closest to 205 + 205 + 197? (a) 700 (b) 800 (c) 600 (d) 500
  33. 33.Which of these numbers divides exactly by 8? (a) 8137 (b) 1838 (c) 8859 (d) 6504
  34. 34.Find the LCM of 28 and 32.
  35. 35.3/7 of 70 + 6 × 3 =
  36. 36.Rahul takes 36 seconds and Saanvi takes 60 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?
  37. 37.If 7 kg of rice costs ₹378, how many kg can you buy for ₹702?
  38. 38.Divide ₹45 between Rahul and Meera in the ratio 7 : 2. How much does Rahul get (in ₹)?
  39. 39.25% of a number is 130. What is the number?
  40. 40.12 : 4 = 24 : ?

Answer key

  1. 30
  2. 3
  3. 330
  4. 13
  5. 99
  6. 1
  7. 36000
  8. 5
  9. 4
  10. 324
  11. 1
  12. 195
  13. 4
  14. 1/22
  15. 56
  16. 86
  17. 95
  18. 45
  19. 26.6
  20. 24
  21. 5
  22. 39
  23. 56
  24. 88
  25. 88
  26. 180
  27. 71
  28. 14.4
  29. 30
  30. 61
  31. 3544
  32. 600
  33. 6504
  34. 224
  35. 48
  36. 180
  37. 13
  38. 35
  39. 520
  40. 8

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