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Percentage lesson 9: Find the whole from a percent · Set 184 · 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. 1.12% of a number is 12. What is the number?
  2. 2.Aarav spent ₹48, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.Aarav spent ₹15, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.57 is 30% of ?
  5. 5.Arjun spent ₹28, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.Diya spent ₹207, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Rohan spent ₹12, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.10% of a number is 29. What is the number?
  9. 9.Anaya spent ₹33, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.30% of a number is 45. What is the number?
  11. 11.80% of a number is 248. What is the number?
  12. 12.24 is 50% of ?
  13. 13.Meera spent ₹68, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Anaya spent ₹204, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.Anaya spent ₹114, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.108 is 60% of ?
  17. 17.5% of a number is 3. What is the number?
  18. 18.196 is 80% of ?
  19. 19.5% of a number is 12. What is the number?
  20. 20.18 is 15% of ?
  21. 21.Dev spent ₹32, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Rohan spent ₹2, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.177 is 60% of ?
  24. 24.99 is 25% of ?
  25. 25.Anaya spent ₹26, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.50% of a number is 72. What is the number?
  27. 27.20% of a number is 38. What is the number?
  28. 28.12% of a number is 9. What is the number?
  29. 29.Aarav spent ₹153, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.20% of a number is 45. What is the number?
  31. 31.Kabir spent ₹12, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.18 is 12% of ?
  33. 33.Meera spent ₹171, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.Rohan spent ₹63, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.20% of a number is 64. What is the number?
  36. 36.Rohan spent ₹18, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  37. 37.96 is 60% of ?
  38. 38.Rohan spent ₹5, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.80% of a number is 148. What is the number?
  40. 40.27 is 12% of ?

Answer key

  1. 100
  2. 60
  3. 100
  4. 190
  5. 280
  6. 345
  7. 80
  8. 290
  9. 220
  10. 150
  11. 310
  12. 48
  13. 340
  14. 255
  15. 152
  16. 180
  17. 60
  18. 245
  19. 240
  20. 120
  21. 40
  22. 40
  23. 295
  24. 396
  25. 52
  26. 144
  27. 190
  28. 75
  29. 255
  30. 225
  31. 16
  32. 150
  33. 285
  34. 252
  35. 320
  36. 120
  37. 160
  38. 50
  39. 185
  40. 225

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