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Percentage lesson 9: Find the whole from a percent · Set 598 · 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.Anaya spent ₹9, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.255 is 75% of ?
  3. 3.20 is 10% of ?
  4. 4.12% of a number is 48. What is the number?
  5. 5.231 is 60% of ?
  6. 6.80% of a number is 236. What is the number?
  7. 7.30% of a number is 30. What is the number?
  8. 8.33 is 12% of ?
  9. 9.1 is 25% of ?
  10. 10.30% of a number is 48. What is the number?
  11. 11.40% of a number is 28. What is the number?
  12. 12.30 is 12% of ?
  13. 13.30% of a number is 39. What is the number?
  14. 14.Aarav spent ₹9, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.60% of a number is 171. What is the number?
  16. 16.80% of a number is 200. What is the number?
  17. 17.40% of a number is 74. What is the number?
  18. 18.Kabir spent ₹21, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.138 is 75% of ?
  20. 20.40 is 25% of ?
  21. 21.26 is 40% of ?
  22. 22.Meera spent ₹288, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.12% of a number is 42. What is the number?
  24. 24.30 is 60% of ?
  25. 25.80% of a number is 80. What is the number?
  26. 26.75% of a number is 117. What is the number?
  27. 27.Aarav spent ₹114, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.48 is 25% of ?
  29. 29.308 is 80% of ?
  30. 30.15% of a number is 45. What is the number?
  31. 31.40% of a number is 30. What is the number?
  32. 32.Anaya spent ₹219, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.6 is 60% of ?
  34. 34.Riya spent ₹58, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Dev spent ₹30, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.Diya spent ₹40, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.34 is 25% of ?
  38. 38.Aarav spent ₹84, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.30% of a number is 15. What is the number?
  40. 40.3 is 12% of ?

Answer key

  1. 45
  2. 340
  3. 200
  4. 400
  5. 385
  6. 295
  7. 100
  8. 275
  9. 4
  10. 160
  11. 70
  12. 250
  13. 130
  14. 75
  15. 285
  16. 250
  17. 185
  18. 210
  19. 184
  20. 160
  21. 65
  22. 360
  23. 350
  24. 50
  25. 100
  26. 156
  27. 228
  28. 192
  29. 385
  30. 300
  31. 75
  32. 292
  33. 10
  34. 232
  35. 250
  36. 400
  37. 136
  38. 280
  39. 50
  40. 25

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