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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 455 · 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.Dev spent ₹195, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  2. 2.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.60% of a number is 75. What is the number?
  4. 4.30 is 30% of ?
  5. 5.75% of a number is 264. What is the number?
  6. 6.80% of a number is 288. What is the number?
  7. 7.134 is 40% of ?
  8. 8.Isha spent ₹36, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.Sara spent ₹20, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.123 is 75% of ?
  11. 11.50% of a number is 24. What is the number?
  12. 12.189 is 60% of ?
  13. 13.Riya spent ₹33, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.10% of a number is 10. What is the number?
  15. 15.11 is 5% of ?
  16. 16.25% of a number is 37. What is the number?
  17. 17.132 is 80% of ?
  18. 18.Ishaan spent ₹57, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.60 is 75% of ?
  20. 20.50% of a number is 79. What is the number?
  21. 21.37 is 10% of ?
  22. 22.10% of a number is 20. What is the number?
  23. 23.10% of a number is 2. What is the number?
  24. 24.Meera spent ₹192, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.Dev spent ₹1, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.99 is 60% of ?
  27. 27.Meera spent ₹36, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Isha spent ₹20, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.Meera spent ₹15, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.11 is 50% of ?
  31. 31.136 is 40% of ?
  32. 32.Aarav spent ₹4, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.48 is 15% of ?
  34. 34.50 is 40% of ?
  35. 35.Isha spent ₹33, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.50% of a number is 103. What is the number?
  37. 37.51 is 15% of ?
  38. 38.Meera spent ₹96, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.50% of a number is 179. What is the number?
  40. 40.20% of a number is 11. What is the number?

Answer key

  1. 260
  2. 150
  3. 125
  4. 100
  5. 352
  6. 360
  7. 335
  8. 48
  9. 200
  10. 164
  11. 48
  12. 315
  13. 275
  14. 100
  15. 220
  16. 148
  17. 165
  18. 190
  19. 80
  20. 158
  21. 370
  22. 200
  23. 20
  24. 320
  25. 20
  26. 165
  27. 180
  28. 400
  29. 300
  30. 22
  31. 340
  32. 10
  33. 320
  34. 125
  35. 55
  36. 206
  37. 340
  38. 120
  39. 358
  40. 55

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