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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 414 · 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. 1.21 is 50% of ?
  2. 2.Meera spent ₹8, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Anaya spent ₹87, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.40% of a number is 4. What is the number?
  5. 5.60% of a number is 60. What is the number?
  6. 6.80% of a number is 228. What is the number?
  7. 7.93 is 60% of ?
  8. 8.36 is 12% of ?
  9. 9.148 is 40% of ?
  10. 10.5% of a number is 4. What is the number?
  11. 11.25% of a number is 3. What is the number?
  12. 12.15% of a number is 60. What is the number?
  13. 13.50% of a number is 49. What is the number?
  14. 14.50% of a number is 193. What is the number?
  15. 15.27 is 20% of ?
  16. 16.50% of a number is 6. What is the number?
  17. 17.Arjun spent ₹6, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.30% of a number is 93. What is the number?
  19. 19.15% of a number is 6. What is the number?
  20. 20.Riya spent ₹50, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.Diya spent ₹15, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.50% of a number is 172. What is the number?
  23. 23.232 is 80% of ?
  24. 24.10% of a number is 14. What is the number?
  25. 25.5% of a number is 17. What is the number?
  26. 26.12% of a number is 42. What is the number?
  27. 27.15% of a number is 15. What is the number?
  28. 28.Meera spent ₹15, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.3 is 12% of ?
  30. 30.30% of a number is 54. What is the number?
  31. 31.Riya spent ₹1, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Isha spent ₹132, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.36 is 30% of ?
  34. 34.50 is 40% of ?
  35. 35.55 is 50% of ?
  36. 36.10% of a number is 39. What is the number?
  37. 37.Diya spent ₹198, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.12% of a number is 30. What is the number?
  39. 39.Dev spent ₹15, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.28 is 40% of ?

Answer key

  1. 42
  2. 80
  3. 290
  4. 10
  5. 100
  6. 285
  7. 155
  8. 300
  9. 370
  10. 80
  11. 12
  12. 400
  13. 98
  14. 386
  15. 135
  16. 12
  17. 40
  18. 310
  19. 40
  20. 125
  21. 300
  22. 344
  23. 290
  24. 140
  25. 340
  26. 350
  27. 100
  28. 75
  29. 25
  30. 180
  31. 10
  32. 176
  33. 120
  34. 125
  35. 110
  36. 390
  37. 330
  38. 250
  39. 150
  40. 70

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