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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 751 · 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. 1.5 is 5% of ?
  2. 2.60% of a number is 18. What is the number?
  3. 3.30 is 12% of ?
  4. 4.Isha spent ₹12, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.Isha spent ₹21, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.39 is 15% of ?
  7. 7.5% of a number is 12. What is the number?
  8. 8.Meera spent ₹57, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Sara spent ₹15, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.48 is 25% of ?
  11. 11.12% of a number is 21. What is the number?
  12. 12.80% of a number is 144. What is the number?
  13. 13.9 is 15% of ?
  14. 14.60% of a number is 216. What is the number?
  15. 15.20% of a number is 68. What is the number?
  16. 16.56 is 80% of ?
  17. 17.248 is 80% of ?
  18. 18.208 is 80% of ?
  19. 19.Meera spent ₹116, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.60 is 15% of ?
  21. 21.10% of a number is 21. What is the number?
  22. 22.Riya spent ₹51, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.Meera spent ₹42, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.6 is 30% of ?
  25. 25.50 is 40% of ?
  26. 26.99 is 25% of ?
  27. 27.68 is 80% of ?
  28. 28.3 is 75% of ?
  29. 29.Dev spent ₹24, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.120 is 50% of ?
  31. 31.Rohan spent ₹27, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.Riya spent ₹176, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.98 is 25% of ?
  34. 34.75% of a number is 171. What is the number?
  35. 35.Sara spent ₹32, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.Diya spent ₹54, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.110 is 40% of ?
  38. 38.10 is 10% of ?
  39. 39.Dev spent ₹21, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.80% of a number is 152. What is the number?

Answer key

  1. 100
  2. 30
  3. 250
  4. 48
  5. 140
  6. 260
  7. 240
  8. 285
  9. 150
  10. 192
  11. 175
  12. 180
  13. 60
  14. 360
  15. 340
  16. 70
  17. 310
  18. 260
  19. 145
  20. 400
  21. 210
  22. 340
  23. 70
  24. 20
  25. 125
  26. 396
  27. 85
  28. 4
  29. 60
  30. 240
  31. 45
  32. 220
  33. 392
  34. 228
  35. 160
  36. 180
  37. 275
  38. 100
  39. 175
  40. 190

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