← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 225 · 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. 1.40% of a number is 140. What is the number?
  2. 2.40% of a number is 134. What is the number?
  3. 3.9 is 5% of ?
  4. 4.40% of a number is 10. What is the number?
  5. 5.80% of a number is 104. What is the number?
  6. 6.87 is 30% of ?
  7. 7.50% of a number is 135. What is the number?
  8. 8.16 is 5% of ?
  9. 9.28 is 10% of ?
  10. 10.11 is 20% of ?
  11. 11.Dev spent ₹15, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.30% of a number is 63. What is the number?
  13. 13.20% of a number is 63. What is the number?
  14. 14.Aarav spent ₹270, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.25% of a number is 24. What is the number?
  16. 16.15% of a number is 36. What is the number?
  17. 17.Arjun spent ₹14, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.292 is 80% of ?
  19. 19.15% of a number is 24. What is the number?
  20. 20.10 is 20% of ?
  21. 21.75% of a number is 183. What is the number?
  22. 22.75% of a number is 282. What is the number?
  23. 23.10% of a number is 6. What is the number?
  24. 24.10% of a number is 12. What is the number?
  25. 25.Ishaan spent ₹162, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.Riya spent ₹108, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.164 is 80% of ?
  28. 28.10% of a number is 40. What is the number?
  29. 29.12% of a number is 18. What is the number?
  30. 30.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.80% of a number is 260. What is the number?
  32. 32.75% of a number is 207. What is the number?
  33. 33.120 is 40% of ?
  34. 34.95 is 50% of ?
  35. 35.Riya spent ₹108, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.15% of a number is 21. What is the number?
  37. 37.30% of a number is 33. What is the number?
  38. 38.25% of a number is 65. What is the number?
  39. 39.80% of a number is 156. What is the number?
  40. 40.142 is 40% of ?

Answer key

  1. 350
  2. 335
  3. 180
  4. 25
  5. 130
  6. 290
  7. 270
  8. 320
  9. 280
  10. 55
  11. 50
  12. 210
  13. 315
  14. 360
  15. 96
  16. 240
  17. 70
  18. 365
  19. 160
  20. 50
  21. 244
  22. 376
  23. 60
  24. 120
  25. 270
  26. 135
  27. 205
  28. 400
  29. 150
  30. 300
  31. 325
  32. 276
  33. 300
  34. 190
  35. 360
  36. 140
  37. 110
  38. 260
  39. 195
  40. 355

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