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Percentage lesson 9: Find the whole from a percent · Set 936 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.Kabir spent ₹14, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  2. 2.40% of a number is 60. What is the number?
  3. 3.Ishaan spent ₹114, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.Kabir spent ₹68, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.27 is 30% of ?
  6. 6.80% of a number is 84. What is the number?
  7. 7.Ishaan spent ₹40, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.3 is 15% of ?
  9. 9.70 is 25% of ?
  10. 10.Rohan spent ₹99, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.20 is 5% of ?
  12. 12.Kabir spent ₹53, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.60% of a number is 21. What is the number?
  14. 14.148 is 40% of ?
  15. 15.Arjun spent ₹48, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Aarav spent ₹14, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.40% of a number is 114. What is the number?
  18. 18.Anaya spent ₹24, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.20% of a number is 8. What is the number?
  20. 20.20% of a number is 48. What is the number?
  21. 21.72 is 30% of ?
  22. 22.86 is 40% of ?
  23. 23.50% of a number is 116. What is the number?
  24. 24.192 is 60% of ?
  25. 25.132 is 75% of ?
  26. 26.Arjun spent ₹108, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.38 is 10% of ?
  28. 28.Ishaan spent ₹122, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.60 is 25% of ?
  30. 30.18 is 15% of ?
  31. 31.Meera spent ₹37, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.Aarav spent ₹156, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.288 is 80% of ?
  34. 34.8 is 10% of ?
  35. 35.6 is 15% of ?
  36. 36.56 is 40% of ?
  37. 37.12% of a number is 9. What is the number?
  38. 38.25 is 20% of ?
  39. 39.75% of a number is 126. What is the number?
  40. 40.12% of a number is 39. What is the number?

Answer key

  1. 56
  2. 150
  3. 190
  4. 170
  5. 90
  6. 105
  7. 160
  8. 20
  9. 280
  10. 165
  11. 400
  12. 106
  13. 35
  14. 370
  15. 400
  16. 28
  17. 285
  18. 160
  19. 40
  20. 240
  21. 240
  22. 215
  23. 232
  24. 320
  25. 176
  26. 216
  27. 380
  28. 244
  29. 240
  30. 120
  31. 370
  32. 208
  33. 360
  34. 80
  35. 40
  36. 140
  37. 75
  38. 125
  39. 168
  40. 325

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage