← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 354 · 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 12% of ?
  2. 2.10% of a number is 17. What is the number?
  3. 3.34 is 10% of ?
  4. 4.15% of a number is 54. What is the number?
  5. 5.76 is 80% of ?
  6. 6.10% of a number is 34. What is the number?
  7. 7.177 is 50% of ?
  8. 8.175 is 50% of ?
  9. 9.Riya spent ₹54, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.12% of a number is 15. What is the number?
  11. 11.20% of a number is 75. What is the number?
  12. 12.Anaya spent ₹19, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.20% of a number is 14. What is the number?
  14. 14.Kabir spent ₹29, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.20% of a number is 16. What is the number?
  16. 16.5% of a number is 4. What is the number?
  17. 17.32 is 10% of ?
  18. 18.15% of a number is 33. What is the number?
  19. 19.126 is 75% of ?
  20. 20.40% of a number is 120. What is the number?
  21. 21.Aarav spent ₹1, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.Riya spent ₹93, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.Rohan spent ₹109, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.Dev spent ₹17, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.20% of a number is 26. What is the number?
  26. 26.57 is 15% of ?
  27. 27.16 is 25% of ?
  28. 28.18 is 60% of ?
  29. 29.24 is 12% of ?
  30. 30.18 is 15% of ?
  31. 31.36 is 15% of ?
  32. 32.15 is 5% of ?
  33. 33.Kabir spent ₹6, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Riya spent ₹188, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Ishaan spent ₹6, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.57 is 60% of ?
  37. 37.60% of a number is 189. What is the number?
  38. 38.72 is 75% of ?
  39. 39.25% of a number is 76. What is the number?
  40. 40.72 is 25% of ?

Answer key

  1. 175
  2. 170
  3. 340
  4. 360
  5. 95
  6. 340
  7. 354
  8. 350
  9. 180
  10. 125
  11. 375
  12. 190
  13. 70
  14. 145
  15. 80
  16. 80
  17. 320
  18. 220
  19. 168
  20. 300
  21. 20
  22. 155
  23. 218
  24. 85
  25. 130
  26. 380
  27. 64
  28. 30
  29. 200
  30. 120
  31. 240
  32. 300
  33. 40
  34. 376
  35. 120
  36. 95
  37. 315
  38. 96
  39. 304
  40. 288

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage