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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 611 · 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.

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  1. 1.20% of a number is 2. What is the number?
  2. 2.6 is 30% of ?
  3. 3.Isha spent ₹40, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.Sara spent ₹16, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.Diya spent ₹285, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.69 is 30% of ?
  7. 7.76 is 25% of ?
  8. 8.51 is 15% of ?
  9. 9.75% of a number is 201. What is the number?
  10. 10.Aarav spent ₹42, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.12% of a number is 39. What is the number?
  12. 12.25% of a number is 23. What is the number?
  13. 13.Diya spent ₹106, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.Meera spent ₹6, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.75% of a number is 183. What is the number?
  16. 16.25% of a number is 20. What is the number?
  17. 17.25% of a number is 30. What is the number?
  18. 18.80% of a number is 288. What is the number?
  19. 19.52 is 25% of ?
  20. 20.10% of a number is 12. What is the number?
  21. 21.60% of a number is 201. What is the number?
  22. 22.25% of a number is 39. What is the number?
  23. 23.111 is 75% of ?
  24. 24.Arjun spent ₹2, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.Diya spent ₹10, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.Riya spent ₹222, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.Meera spent ₹92, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Kabir spent ₹45, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.Rohan spent ₹60, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.Anaya spent ₹129, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  31. 31.40% of a number is 86. What is the number?
  32. 32.6 is 12% of ?
  33. 33.18 is 15% of ?
  34. 34.60% of a number is 189. What is the number?
  35. 35.162 is 75% of ?
  36. 36.Anaya spent ₹1, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Isha spent ₹6, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Kabir spent ₹64, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.50% of a number is 98. What is the number?
  40. 40.Anaya spent ₹159, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 10
  2. 20
  3. 100
  4. 160
  5. 380
  6. 230
  7. 304
  8. 340
  9. 268
  10. 140
  11. 325
  12. 92
  13. 265
  14. 120
  15. 244
  16. 80
  17. 120
  18. 360
  19. 208
  20. 120
  21. 335
  22. 156
  23. 148
  24. 40
  25. 100
  26. 296
  27. 230
  28. 300
  29. 300
  30. 215
  31. 215
  32. 50
  33. 120
  34. 315
  35. 216
  36. 2
  37. 40
  38. 256
  39. 196
  40. 265

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