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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 878 · 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.What is 2/9 of 207 kg?
  2. 2.If 7 mangoes cost ₹343, how much do 11 mangoes cost (in ₹)?
  3. 3.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 9, 3 or 5.
  4. 4.A car goes 170 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
  5. 5.Divide ₹308 between Nisha and Manav in the ratio 4 : 7. How much does Manav get (in ₹)?
  6. 6.The HCF of two numbers is 9 and their LCM is 252. One of the numbers is 63. What is the other number?
  7. 7.11 : 9 = 33 : ?
  8. 8.8 : 5 = 48 : ?
  9. 9.How many factors does 87 have?
  10. 10.What is the smallest number you must add to 341 so that it divides exactly by 13?
  11. 11.20.1 ÷ 3 =
  12. 12.A hall floor is 350 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  13. 13.25% of a number is 3. What is the number?
  14. 14.Which is closest to 799 + 403 + 902? (a) 2300 (b) 2000 (c) 2200 (d) 2100
  15. 15.A car goes 42 km on 2 litres of petrol. How far can it go on 32 litres (in km)?
  16. 16.Three temple bells ring every 9, 4 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  17. 17.Which is closest to 1205 ÷ 31? (a) 20 (b) 400 (c) 80 (d) 40
  18. 18.2 : 4 = 4 : ?
  19. 19.Two tanks hold 200 litres and 175 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 4, 3 or 12.
  21. 21.Which is closest to 1500 ÷ 49? (a) 60 (b) 300 (c) 15 (d) 30
  22. 22.2 × (21 − 2) + 108 ÷ 9 =
  23. 23.The HCF of two numbers is 5 and their LCM is 210. One of the numbers is 35. What is the other number?
  24. 24.10 : 2 = 50 : ?
  25. 25.Find the HCF of 42 and 35.
  26. 26.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 4, 12 or 5.
  27. 27.Three temple bells ring every 15, 30 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  28. 28.A car goes 80 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
  29. 29.Which is closest to 700 × 92? (Round each number first.) (a) 126000 (b) 63000 (c) 6300 (d) 630000
  30. 30.Find the LCM of 2, 11 and 14.
  31. 31.Divide ₹168 between Kavya and Arjun in the ratio 1 : 5. How much does Kavya get (in ₹)?
  32. 32.2/3 of 12 + 7 × 7 =
  33. 33.If 7 kg of rice costs ₹504, how many kg can you buy for ₹216?
  34. 34.What is the smallest number you must take away from 888 so that it divides exactly by 9?
  35. 35.If 10 pencil boxes cost ₹130, how much do 15 pencil boxes cost (in ₹)?
  36. 36.5/6 × 1/2 =
  37. 37.Aditya takes 90 seconds and Priya 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?
  38. 38.A car goes 70 km on 7 litres of petrol. How far can it go on 19 litres (in km)?
  39. 39.A hostel has enough food for 10 students for 21 days. How many days will the same food last for 15 students?
  40. 40.A car goes 242 km on 11 litres of petrol. How far can it go on 13 litres (in km)?

Answer key

  1. 46
  2. 539
  3. 47
  4. 289
  5. 196
  6. 36
  7. 27
  8. 30
  9. 4
  10. 10
  11. 6.7
  12. 28
  13. 12
  14. 2100
  15. 672
  16. 36
  17. 40
  18. 8
  19. 25
  20. 14
  21. 30
  22. 50
  23. 30
  24. 10
  25. 7
  26. 61
  27. 60
  28. 170
  29. 63000
  30. 154
  31. 28
  32. 57
  33. 3
  34. 6
  35. 195
  36. 5/12
  37. 360
  38. 190
  39. 14
  40. 286

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