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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 609 · 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. 1.60% of a number is 12. What is the number?
  2. 2.10% of a number is 13. What is the number?
  3. 3.169 is 50% of ?
  4. 4.Riya spent ₹16, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.80% of a number is 92. What is the number?
  6. 6.Aarav spent ₹27, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.Isha spent ₹3, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.5% of a number is 8. What is the number?
  9. 9.Anaya spent ₹6, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.Anaya spent ₹12, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.Rohan spent ₹26, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.57 is 15% of ?
  13. 13.80% of a number is 140. What is the number?
  14. 14.Dev spent ₹150, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.12% of a number is 21. What is the number?
  16. 16.50% of a number is 141. What is the number?
  17. 17.62 is 40% of ?
  18. 18.20% of a number is 13. What is the number?
  19. 19.Riya spent ₹22, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.5% of a number is 20. What is the number?
  21. 21.30% of a number is 108. What is the number?
  22. 22.40% of a number is 140. What is the number?
  23. 23.13 is 5% of ?
  24. 24.10% of a number is 6. What is the number?
  25. 25.142 is 50% of ?
  26. 26.Kabir spent ₹74, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.75% of a number is 234. What is the number?
  28. 28.Sara spent ₹18, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.79 is 50% of ?
  30. 30.80% of a number is 244. What is the number?
  31. 31.9 is 12% of ?
  32. 32.18 is 15% of ?
  33. 33.25% of a number is 30. What is the number?
  34. 34.Meera spent ₹99, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.12% of a number is 24. What is the number?
  36. 36.Riya spent ₹62, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.30% of a number is 75. What is the number?
  38. 38.75% of a number is 276. What is the number?
  39. 39.75% of a number is 165. What is the number?
  40. 40.Sara spent ₹48, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 20
  2. 130
  3. 338
  4. 64
  5. 115
  6. 225
  7. 15
  8. 160
  9. 24
  10. 16
  11. 65
  12. 380
  13. 175
  14. 300
  15. 175
  16. 282
  17. 155
  18. 65
  19. 55
  20. 400
  21. 360
  22. 350
  23. 260
  24. 60
  25. 284
  26. 296
  27. 312
  28. 120
  29. 158
  30. 305
  31. 75
  32. 120
  33. 120
  34. 330
  35. 200
  36. 248
  37. 250
  38. 368
  39. 220
  40. 120

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