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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 312 · 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. 1.38 is 10% of ?
  2. 2.22 is 40% of ?
  3. 3.Arjun spent ₹63, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.5% of a number is 6. What is the number?
  5. 5.Diya spent ₹36, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.68 is 80% of ?
  7. 7.60% of a number is 195. What is the number?
  8. 8.27 is 75% of ?
  9. 9.40% of a number is 110. What is the number?
  10. 10.30% of a number is 99. What is the number?
  11. 11.48 is 20% of ?
  12. 12.15% of a number is 42. What is the number?
  13. 13.Riya spent ₹2, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.Meera spent ₹78, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.75% of a number is 129. What is the number?
  16. 16.24 is 60% of ?
  17. 17.40 is 20% of ?
  18. 18.40% of a number is 2. What is the number?
  19. 19.12% of a number is 39. What is the number?
  20. 20.80% of a number is 292. What is the number?
  21. 21.Dev spent ₹27, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.30% of a number is 120. What is the number?
  23. 23.Sara spent ₹42, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.Diya spent ₹111, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.99 is 30% of ?
  26. 26.6 is 25% of ?
  27. 27.40% of a number is 144. What is the number?
  28. 28.12 is 60% of ?
  29. 29.12% of a number is 33. What is the number?
  30. 30.20% of a number is 23. What is the number?
  31. 31.12 is 30% of ?
  32. 32.Kabir spent ₹14, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.201 is 60% of ?
  34. 34.Anaya spent ₹115, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.Arjun spent ₹148, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.28 is 25% of ?
  37. 37.30% of a number is 15. What is the number?
  38. 38.18 is 5% of ?
  39. 39.Anaya spent ₹9, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.93 is 30% of ?

Answer key

  1. 380
  2. 55
  3. 252
  4. 120
  5. 72
  6. 85
  7. 325
  8. 36
  9. 275
  10. 330
  11. 240
  12. 280
  13. 20
  14. 260
  15. 172
  16. 40
  17. 200
  18. 5
  19. 325
  20. 365
  21. 90
  22. 400
  23. 280
  24. 370
  25. 330
  26. 24
  27. 360
  28. 20
  29. 275
  30. 115
  31. 40
  32. 56
  33. 335
  34. 230
  35. 370
  36. 112
  37. 50
  38. 360
  39. 45
  40. 310

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