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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 726 · 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. 1.10 ÷ 2 × 5 + 24 =
  2. 2.6.7 × 5 =
  3. 3.Round 63842 to the nearest thousand.
  4. 4.Which is closest to 195 + 495 + 203? (a) 800 (b) 1100 (c) 900 (d) 1000
  5. 5.Three temple bells ring every 20, 8 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.2/3 + 4/11 =
  7. 7.A hall floor is 300 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  8. 8.Round 37.73 to one decimal place. =
  9. 9.Divide ₹308 between Diya and Aditya in the ratio 5 : 6. How much does Aditya get (in ₹)?
  10. 10.If 3 mangoes cost ₹147, how much do 17 mangoes cost (in ₹)?
  11. 11.2/3 + 4/12 =
  12. 12.6.23 + 6.8 =
  13. 13.What is the smallest number you must take away from 658 so that it divides exactly by 9?
  14. 14.The HCF of two numbers is 6 and their LCM is 90. One of the numbers is 30. What is the other number?
  15. 15.Find the HCF of 12 and 32.
  16. 16.Which of these numbers divides exactly by 9? (a) 4017 (b) 7924 (c) 1104 (d) 9747
  17. 17.Manav scored 20 marks out of 25 in a test. What percentage did Manav score?
  18. 18.Round 38340 to the nearest hundred.
  19. 19.A hall floor is 140 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  20. 20.Round 36632 to the nearest hundred.
  21. 21.Which is closest to 503 + 102 + 303? (a) 800 (b) 1000 (c) 1100 (d) 900
  22. 22.How many factors does 49 have?
  23. 23.Three temple bells ring every 12, 8 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.Round 82.19 to one decimal place. =
  25. 25.6.3 × 9 =
  26. 26.What is 7/9 of 207 kg?
  27. 27.Find the HCF of 21 and 35.
  28. 28.10 painters can paint a school in 16 days. How many days would 5 painters take, working at the same speed?
  29. 29.What is 15% of 60?
  30. 30.Find the HCF of 39 and 52.
  31. 31.A car goes 75 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
  32. 32.If 8 pens cost ₹208, how much do 4 pens cost (in ₹)?
  33. 33.8 × (21 − 3) + 20 ÷ 4 =
  34. 34.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 3, 8 or 9.
  35. 35.A hostel has enough food for 4 students for 27 days. How many days will the same food last for 3 students?
  36. 36.If 2 kg of rice costs ₹120, how many kg can you buy for ₹660?
  37. 37.Find the third proportional to 5 and 10 (that is, 5 : 10 = 10 : ?).
  38. 38.Find the HCF of 56 and 35.
  39. 39.1.8 × 7 =
  40. 40.1/4 + 4/8 =

Answer key

  1. 49
  2. 33.5
  3. 64000
  4. 900
  5. 120
  6. 34/33
  7. 10
  8. 37.7
  9. 168
  10. 833
  11. 1
  12. 13.03
  13. 1
  14. 18
  15. 4
  16. 9747
  17. 80
  18. 38300
  19. 28
  20. 36600
  21. 900
  22. 3
  23. 120
  24. 82.2
  25. 56.7
  26. 161
  27. 7
  28. 32
  29. 9
  30. 13
  31. 225
  32. 104
  33. 149
  34. 73
  35. 36
  36. 11
  37. 20
  38. 7
  39. 12.6
  40. 3/4

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