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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 680 · 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. 1.50% of a number is 195. What is the number?
  2. 2.80% of a number is 180. What is the number?
  3. 3.123 is 60% of ?
  4. 4.Arjun spent ₹13, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.50% of a number is 102. What is the number?
  6. 6.15% of a number is 36. What is the number?
  7. 7.249 is 75% of ?
  8. 8.25% of a number is 39. What is the number?
  9. 9.75% of a number is 255. What is the number?
  10. 10.Aarav spent ₹8, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.20% of a number is 39. What is the number?
  12. 12.50% of a number is 169. What is the number?
  13. 13.Meera spent ₹248, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Diya spent ₹96, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Riya spent ₹144, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.17 is 20% of ?
  17. 17.41 is 20% of ?
  18. 18.Anaya spent ₹117, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.Ishaan spent ₹36, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Arjun spent ₹20, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.Kabir spent ₹183, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.33 is 15% of ?
  23. 23.91 is 50% of ?
  24. 24.15% of a number is 39. What is the number?
  25. 25.75% of a number is 300. What is the number?
  26. 26.30% of a number is 114. What is the number?
  27. 27.12% of a number is 42. What is the number?
  28. 28.Diya spent ₹45, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.5% of a number is 10. What is the number?
  30. 30.135 is 75% of ?
  31. 31.276 is 75% of ?
  32. 32.80% of a number is 228. What is the number?
  33. 33.124 is 40% of ?
  34. 34.Riya spent ₹56, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.25% of a number is 26. What is the number?
  36. 36.50% of a number is 84. What is the number?
  37. 37.12% of a number is 39. What is the number?
  38. 38.Sara spent ₹144, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.276 is 80% of ?
  40. 40.25% of a number is 38. What is the number?

Answer key

  1. 390
  2. 225
  3. 205
  4. 130
  5. 204
  6. 240
  7. 332
  8. 156
  9. 340
  10. 80
  11. 195
  12. 338
  13. 310
  14. 192
  15. 360
  16. 85
  17. 205
  18. 390
  19. 240
  20. 400
  21. 244
  22. 220
  23. 182
  24. 260
  25. 400
  26. 380
  27. 350
  28. 75
  29. 200
  30. 180
  31. 368
  32. 285
  33. 310
  34. 224
  35. 104
  36. 168
  37. 325
  38. 192
  39. 345
  40. 152

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