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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 914 · 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 car goes 60 km on 5 litres of petrol. How far can it go on 34 litres (in km)?
  2. 2.9 painters can paint a school in 4 days. How many days would 18 painters take, working at the same speed?
  3. 3.Write 7/20 as a percent.
  4. 4.A car goes 95 km on 5 litres of petrol. How far can it go on 14 litres (in km)?
  5. 5.Three temple bells ring every 12, 20 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.What is the smallest number you must take away from 173 so that it divides exactly by 13?
  7. 7.If 7 kg of rice costs ₹588, how many kg can you buy for ₹756?
  8. 8.Divide ₹95 between Aditya and Arjun in the ratio 4 : 1. How much does Arjun get (in ₹)?
  9. 9.The ratio of boys to girls in a class is 6 : 1. There are 36 boys. How many girls are there?
  10. 10.9.1 × 7 =
  11. 11.Find the LCM of 8, 3 and 5.
  12. 12.The HCF of two numbers is 2 and their LCM is 84. One of the numbers is 14. What is the other number?
  13. 13.Round 98486 to the nearest ten.
  14. 14.Find the LCM of 3 and 4.
  15. 15.What is the smallest number you must take away from 929 so that it divides exactly by 6?
  16. 16.What is the smallest number you must take away from 972 so that it divides exactly by 11?
  17. 17.Find the LCM of 5 and 3.
  18. 18.Which of these numbers divides exactly by 11? (a) 4558 (b) 9194 (c) 3591 (d) 5643
  19. 19.A car goes 56 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
  20. 20.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 15, 9 or 10.
  21. 21.A car goes 108 km on 6 litres of petrol. How far can it go on 21 litres (in km)?
  22. 22.What is the smallest number you must take away from 773 so that it divides exactly by 12?
  23. 23.A hostel has enough food for 12 students for 11 days. How many days will the same food last for 22 students?
  24. 24.8/9 − 2/12 =
  25. 25.Find the LCM of 4, 3 and 15.
  26. 26.Find the LCM of 40 and 15.
  27. 27.Find the LCM of 7 and 6.
  28. 28.Find the HCF of 20 and 90.
  29. 29.55.2 ÷ 6 =
  30. 30.A hall floor is 400 cm long and 250 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  31. 31.A hostel has enough food for 9 students for 13 days. How many days will the same food last for 13 students?
  32. 32.Which is closest to 3207 ÷ 39? (a) 800 (b) 160 (c) 40 (d) 80
  33. 33.What is 2/3 of 27 kg?
  34. 34.38 − 10 ÷ 5 × 9 =
  35. 35.8.06 + 3.4 =
  36. 36.A car goes 63 km on 3 litres of petrol. How far can it go on 38 litres (in km)?
  37. 37.What is the smallest number you must take away from 763 so that it divides exactly by 13?
  38. 38.A hostel has enough food for 3 students for 9 days. How many days will the same food last for 9 students?
  39. 39.Find the LCM of 36 and 42.
  40. 40.Divide ₹378 between Sneha and Kabir in the ratio 9 : 5. How much does Kabir get (in ₹)?

Answer key

  1. 408
  2. 2
  3. 35
  4. 266
  5. 60
  6. 4
  7. 9
  8. 19
  9. 6
  10. 63.7
  11. 120
  12. 12
  13. 98490
  14. 12
  15. 5
  16. 4
  17. 15
  18. 5643
  19. 160
  20. 94
  21. 378
  22. 5
  23. 6
  24. 13/18
  25. 60
  26. 120
  27. 42
  28. 10
  29. 9.2
  30. 40
  31. 9
  32. 80
  33. 18
  34. 20
  35. 11.46
  36. 798
  37. 9
  38. 3
  39. 252
  40. 135

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