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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 908 · 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. 1.5/6 of 18 + 6 × 2 =
  2. 2.Which of these numbers divides exactly by 4? (a) 6668 (b) 6310 (c) 2814 (d) 2198
  3. 3.Round 95.88 to one decimal place. =
  4. 4.How many factors does 46 have?
  5. 5.6 × (19 − 1) + 9 ÷ 3 =
  6. 6.2 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
  7. 7.A car goes 120 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
  8. 8.What percent of 25 is 5?
  9. 9.A hostel has enough food for 5 students for 17 days. How many days will the same food last for 17 students?
  10. 10.Divide ₹90 between Rohan and Saanvi in the ratio 5 : 1. How much does Rohan get (in ₹)?
  11. 11.Which of these numbers divides exactly by 3? (a) 3092 (b) 3169 (c) 1920 (d) 1918
  12. 12.The HCF of two numbers is 5 and their LCM is 50. One of the numbers is 10. What is the other number?
  13. 13.Find the HCF of 48 and 60.
  14. 14.A hostel has enough food for 8 students for 17 days. How many days will the same food last for 17 students?
  15. 15.99 ÷ 9 × 8 + 8 =
  16. 16.5 : 3 = 20 : ?
  17. 17.37 + 5 × 11 − 2 =
  18. 18.6 painters can paint a school in 19 days. How many days would 2 painters take, working at the same speed?
  19. 19.20 + 2 × 8 − 15 =
  20. 20.What is the smallest number you must take away from 393 so that it divides exactly by 4?
  21. 21.A car goes 32 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
  22. 22.If 10 notebooks cost ₹380, how much do 2 notebooks cost (in ₹)?
  23. 23.Round 92.59 to one decimal place. =
  24. 24.Two tanks hold 60 litres and 45 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  25. 25.(16 + 17) × 9 − 29 =
  26. 26.Find the LCM of 5 and 9.
  27. 27.Three temple bells ring every 30, 24 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  28. 28.If 4 bottles of juice cost ₹16, how much do 15 bottles of juice cost (in ₹)?
  29. 29.Which is closest to 301 × 61? (Round each number first.) (a) 180000 (b) 36000 (c) 1800 (d) 18000
  30. 30.A hall floor is 60 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  31. 31.60 ÷ 5 × 5 + 7 =
  32. 32.Two tanks hold 80 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  33. 33.What is the smallest number you must add to 511 so that it divides exactly by 13?
  34. 34.1/2 of 14 + 4 × 9 =
  35. 35.34 + 2 × 8 − 4 =
  36. 36.Two tanks hold 350 litres and 450 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  37. 37.Find the HCF of 18 and 27.
  38. 38.Divide ₹68 between Kavya and Isha in the ratio 3 : 1. How much does Isha get (in ₹)?
  39. 39.Find the HCF of 77 and 66.
  40. 40.Divide ₹560 between Priya and Arjun in the ratio 7 : 9. How much does Arjun get (in ₹)?

Answer key

  1. 27
  2. 6668
  3. 95.9
  4. 4
  5. 111
  6. 2
  7. 96
  8. 20
  9. 5
  10. 75
  11. 1920
  12. 25
  13. 12
  14. 8
  15. 96
  16. 12
  17. 90
  18. 57
  19. 21
  20. 1
  21. 56
  22. 76
  23. 92.6
  24. 15
  25. 268
  26. 45
  27. 120
  28. 60
  29. 18000
  30. 6
  31. 67
  32. 20
  33. 9
  34. 43
  35. 46
  36. 50
  37. 9
  38. 17
  39. 11
  40. 315

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