← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 78 · 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.If 3 pens cost ₹42, how much do 7 pens cost (in ₹)?
  2. 2.If 4 kg of rice costs ₹336, how many kg can you buy for ₹420?
  3. 3.Find the HCF of 70 and 126.
  4. 4.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 8, 4 or 10.
  5. 5.A car goes 77 km on 7 litres of petrol. How far can it go on 6 litres (in km)?
  6. 6.10 : 13 = 60 : ?
  7. 7.A car goes 176 km on 11 litres of petrol. How far can it go on 23 litres (in km)?
  8. 8.A hall floor is 150 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  9. 9.Three temple bells ring every 15, 20 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.Find the HCF of 24 and 84.
  11. 11.Round 49.89 to one decimal place. =
  12. 12.8 × (14 − 8) + 63 ÷ 9 =
  13. 13.A hostel has enough food for 10 students for 15 days. How many days will the same food last for 3 students?
  14. 14.75% of a number is 132. What is the number?
  15. 15.26 ÷ 5 =
  16. 16.What is 20% of 95?
  17. 17.45 + 3 × 3 − 17 =
  18. 18.7/9 × 1/2 =
  19. 19.Round 69235 to the nearest thousand.
  20. 20.How many factors does 16 have?
  21. 21.Diya takes 30 seconds and Aditya takes 75 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?
  22. 22.Three temple bells ring every 5, 12 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.What is the smallest number you must add to 396 so that it divides exactly by 13?
  24. 24.Sneha takes 40 seconds and Pooja takes 75 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?
  25. 25.11 + 6 × 10 − 2 =
  26. 26.A car goes 150 km on 6 litres of petrol. How far can it go on 30 litres (in km)?
  27. 27.What is 10% of 350?
  28. 28.32 ÷ 8 × 4 + 20 =
  29. 29.40% of a number is 160. What is the number?
  30. 30.Round 32.82 to one decimal place. =
  31. 31.5% of a number is 26. What is the number?
  32. 32.If 12 pens cost ₹588, how much do 8 pens cost (in ₹)?
  33. 33.Which is closest to 396 + 397 + 403? (a) 1300 (b) 1100 (c) 1400 (d) 1200
  34. 34.The HCF of two numbers is 7 and their LCM is 84. One of the numbers is 21. What is the other number?
  35. 35.A car goes 135 km on 9 litres of petrol. How far can it go on 36 litres (in km)?
  36. 36.(8 + 12) × 7 − 25 =
  37. 37.If 9 mangoes cost ₹198, how much do 5 mangoes cost (in ₹)?
  38. 38.Two tanks hold 240 litres and 280 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.1/2 of 8 + 6 × 7 =
  40. 40.If 2 kg of rice costs ₹142, how many kg can you buy for ₹1065?

Answer key

  1. 98
  2. 5
  3. 14
  4. 41
  5. 66
  6. 78
  7. 368
  8. 6
  9. 60
  10. 12
  11. 49.9
  12. 55
  13. 50
  14. 176
  15. 5.2
  16. 19
  17. 37
  18. 7/18
  19. 69000
  20. 5
  21. 150
  22. 60
  23. 7
  24. 600
  25. 69
  26. 750
  27. 35
  28. 36
  29. 400
  30. 32.8
  31. 520
  32. 392
  33. 1200
  34. 28
  35. 540
  36. 115
  37. 110
  38. 40
  39. 46
  40. 15

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude