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Percentage lesson 9: Find the whole from a percent · Set 147 · 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 66. What is the number?
  2. 2.Isha spent ₹70, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  3. 3.5% of a number is 16. What is the number?
  4. 4.10% of a number is 33. What is the number?
  5. 5.36 is 12% of ?
  6. 6.Meera spent ₹125, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.Kabir spent ₹96, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.30% of a number is 99. What is the number?
  9. 9.Isha spent ₹125, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.38 is 25% of ?
  11. 11.40% of a number is 10. What is the number?
  12. 12.Dev spent ₹125, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.18 is 5% of ?
  14. 14.Riya spent ₹216, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.220 is 80% of ?
  16. 16.9 is 12% of ?
  17. 17.97 is 25% of ?
  18. 18.40% of a number is 118. What is the number?
  19. 19.80% of a number is 36. What is the number?
  20. 20.10% of a number is 37. What is the number?
  21. 21.80% of a number is 116. What is the number?
  22. 22.20% of a number is 53. What is the number?
  23. 23.Aarav spent ₹33, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.30% of a number is 81. What is the number?
  25. 25.15% of a number is 39. What is the number?
  26. 26.12% of a number is 33. What is the number?
  27. 27.152 is 80% of ?
  28. 28.Riya spent ₹33, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.29 is 25% of ?
  30. 30.40% of a number is 40. What is the number?
  31. 31.12% of a number is 21. What is the number?
  32. 32.Isha spent ₹39, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.Anaya spent ₹24, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.30% of a number is 108. What is the number?
  35. 35.25% of a number is 31. What is the number?
  36. 36.10% of a number is 6. What is the number?
  37. 37.15% of a number is 12. What is the number?
  38. 38.219 is 75% of ?
  39. 39.Riya spent ₹48, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Riya spent ₹30, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 165
  2. 280
  3. 320
  4. 330
  5. 300
  6. 250
  7. 320
  8. 330
  9. 250
  10. 152
  11. 25
  12. 250
  13. 360
  14. 270
  15. 275
  16. 75
  17. 388
  18. 295
  19. 45
  20. 370
  21. 145
  22. 265
  23. 132
  24. 270
  25. 260
  26. 275
  27. 190
  28. 220
  29. 116
  30. 100
  31. 175
  32. 325
  33. 200
  34. 360
  35. 124
  36. 60
  37. 80
  38. 292
  39. 400
  40. 250

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