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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 807 · 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.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  2. 2.6.3 × 7 =
  3. 3.Find the LCM of 7, 6 and 5.
  4. 4.What is 10% of 60?
  5. 5.Divide ₹320 between Pooja and Ananya in the ratio 7 : 3. How much does Pooja get (in ₹)?
  6. 6.If 5 kg of rice costs ₹270, how many kg can you buy for ₹702?
  7. 7.41.4 ÷ 6 =
  8. 8.45 − 16 ÷ 4 × 3 =
  9. 9.20 + 5 × 5 − 15 =
  10. 10.A hall floor is 140 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  11. 11.4 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  12. 12.2 × (11 − 4) + 4 ÷ 2 =
  13. 13.If 6 kg of rice costs ₹474, how many kg can you buy for ₹1027?
  14. 14.If 2 kg of rice costs ₹92, how many kg can you buy for ₹230?
  15. 15.1/5 + 4/8 =
  16. 16.Round 97.69 to one decimal place. =
  17. 17.Which is closest to 2397 ÷ 31? (a) 160 (b) 40 (c) 800 (d) 80
  18. 18.Find the LCM of 10, 2 and 4.
  19. 19.A car goes 119 km on 7 litres of petrol. How far can it go on 9 litres (in km)?
  20. 20.3/4 of 36 + 8 × 3 =
  21. 21.33 + 8 × 7 − 3 =
  22. 22.3/4 + 2/3 =
  23. 23.What is the smallest number you must take away from 507 so that it divides exactly by 6?
  24. 24.90 ÷ 9 × 7 + 4 =
  25. 25.If 7 pens cost ₹406, how much do 17 pens cost (in ₹)?
  26. 26.Diya scored 11 marks out of 50 in a test. What percentage did Diya score?
  27. 27.Divide ₹550 between Aditya and Diya in the ratio 9 : 2. How much does Diya get (in ₹)?
  28. 28.(4 + 3) × 4 − 10 =
  29. 29.A car goes 80 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
  30. 30.Find the third proportional to 4 and 16 (that is, 4 : 16 = 16 : ?).
  31. 31.If 2 kg of rice costs ₹162, how many kg can you buy for ₹810?
  32. 32.Find the HCF of 12 and 42.
  33. 33.25 + 7 × 3 − 5 =
  34. 34.Round 70.39 to one decimal place. =
  35. 35.14 + 3 × 3 − 13 =
  36. 36.Find the LCM of 14 and 4.
  37. 37.Which is closest to 1400 ÷ 19? (a) 140 (b) 35 (c) 700 (d) 70
  38. 38.9 × (16 − 14) + 40 ÷ 5 =
  39. 39.2 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
  40. 40.6 : 8 = 54 : ?

Answer key

  1. 32
  2. 44.1
  3. 210
  4. 6
  5. 224
  6. 13
  7. 6.9
  8. 33
  9. 30
  10. 14
  11. 4
  12. 16
  13. 13
  14. 5
  15. 7/10
  16. 97.7
  17. 80
  18. 20
  19. 153
  20. 51
  21. 86
  22. 17/12
  23. 3
  24. 74
  25. 986
  26. 22
  27. 100
  28. 18
  29. 272
  30. 64
  31. 10
  32. 6
  33. 41
  34. 70.4
  35. 10
  36. 28
  37. 70
  38. 26
  39. 2
  40. 72

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