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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 735 · 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. 1.72 is 25% of ?
  2. 2.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.Riya spent ₹19, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.15 is 12% of ?
  5. 5.Dev spent ₹95, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.42 is 12% of ?
  7. 7.20% of a number is 21. What is the number?
  8. 8.40% of a number is 60. What is the number?
  9. 9.20% of a number is 71. What is the number?
  10. 10.Anaya spent ₹36, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.24 is 10% of ?
  12. 12.1 is 25% of ?
  13. 13.85 is 25% of ?
  14. 14.Anaya spent ₹30, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.80% of a number is 8. What is the number?
  16. 16.25% of a number is 48. What is the number?
  17. 17.Riya spent ₹3, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.12% of a number is 33. What is the number?
  19. 19.20% of a number is 73. What is the number?
  20. 20.49 is 20% of ?
  21. 21.54 is 30% of ?
  22. 22.10% of a number is 33. What is the number?
  23. 23.111 is 75% of ?
  24. 24.Aarav spent ₹58, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Anaya spent ₹124, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.Ishaan spent ₹6, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.Arjun spent ₹168, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.60% of a number is 111. What is the number?
  29. 29.56 is 50% of ?
  30. 30.80% of a number is 312. What is the number?
  31. 31.50% of a number is 146. What is the number?
  32. 32.50% of a number is 128. What is the number?
  33. 33.25% of a number is 37. What is the number?
  34. 34.6 is 25% of ?
  35. 35.71 is 25% of ?
  36. 36.25% of a number is 79. What is the number?
  37. 37.60% of a number is 240. What is the number?
  38. 38.15% of a number is 51. What is the number?
  39. 39.80% of a number is 112. What is the number?
  40. 40.10% of a number is 17. What is the number?

Answer key

  1. 288
  2. 300
  3. 76
  4. 125
  5. 380
  6. 350
  7. 105
  8. 150
  9. 355
  10. 300
  11. 240
  12. 4
  13. 340
  14. 40
  15. 10
  16. 192
  17. 30
  18. 275
  19. 365
  20. 245
  21. 180
  22. 330
  23. 148
  24. 290
  25. 310
  26. 30
  27. 224
  28. 185
  29. 112
  30. 390
  31. 292
  32. 256
  33. 148
  34. 24
  35. 284
  36. 316
  37. 400
  38. 340
  39. 140
  40. 170

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