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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 440 · 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.Anaya spent ₹3, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.Arjun spent ₹220, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.30 is 10% of ?
  4. 4.30% of a number is 36. What is the number?
  5. 5.50% of a number is 37. What is the number?
  6. 6.12% of a number is 24. What is the number?
  7. 7.Arjun spent ₹150, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.10% of a number is 33. What is the number?
  9. 9.15% of a number is 45. What is the number?
  10. 10.12 is 10% of ?
  11. 11.Anaya spent ₹20, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.Dev spent ₹45, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.219 is 75% of ?
  14. 14.80% of a number is 212. What is the number?
  15. 15.80% of a number is 272. What is the number?
  16. 16.Sara spent ₹2, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.Kabir spent ₹80, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.21 is 10% of ?
  19. 19.25% of a number is 98. What is the number?
  20. 20.Riya spent ₹29, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.Isha spent ₹11, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  22. 22.Meera spent ₹3, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.10% of a number is 5. What is the number?
  24. 24.10% of a number is 24. What is the number?
  25. 25.80% of a number is 92. What is the number?
  26. 26.60% of a number is 225. What is the number?
  27. 27.51 is 20% of ?
  28. 28.Riya spent ₹134, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.20% of a number is 17. What is the number?
  30. 30.23 is 10% of ?
  31. 31.Aarav spent ₹83, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.12 is 20% of ?
  33. 33.Dev spent ₹33, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.Arjun spent ₹26, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.15 is 5% of ?
  36. 36.24 is 15% of ?
  37. 37.50% of a number is 78. What is the number?
  38. 38.Kabir spent ₹99, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.Isha spent ₹21, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.Riya spent ₹100, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 15
  2. 275
  3. 300
  4. 120
  5. 74
  6. 200
  7. 375
  8. 330
  9. 300
  10. 120
  11. 40
  12. 300
  13. 292
  14. 265
  15. 340
  16. 5
  17. 320
  18. 210
  19. 392
  20. 290
  21. 110
  22. 60
  23. 50
  24. 240
  25. 115
  26. 375
  27. 255
  28. 268
  29. 85
  30. 230
  31. 332
  32. 60
  33. 220
  34. 52
  35. 300
  36. 160
  37. 156
  38. 132
  39. 175
  40. 250

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