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Percentage lesson 9: Find the whole from a percent · Set 348 · 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.Meera spent ₹53, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  2. 2.Sara spent ₹6, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.75% of a number is 297. What is the number?
  4. 4.50% of a number is 55. What is the number?
  5. 5.Riya spent ₹120, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.50% of a number is 166. What is the number?
  7. 7.45 is 20% of ?
  8. 8.30% of a number is 96. What is the number?
  9. 9.Riya spent ₹30, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Ishaan spent ₹20, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.Dev spent ₹33, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.42 is 12% of ?
  13. 13.Riya spent ₹87, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.80 is 20% of ?
  15. 15.10 is 20% of ?
  16. 16.21 is 15% of ?
  17. 17.Isha spent ₹79, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.20% of a number is 14. What is the number?
  19. 19.Aarav spent ₹12, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.50% of a number is 167. What is the number?
  21. 21.Riya spent ₹35, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Ishaan spent ₹48, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.25% of a number is 92. What is the number?
  24. 24.65 is 20% of ?
  25. 25.75 is 30% of ?
  26. 26.75% of a number is 33. What is the number?
  27. 27.Arjun spent ₹6, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.80% of a number is 204. What is the number?
  29. 29.Aarav spent ₹35, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.Riya spent ₹9, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.105 is 60% of ?
  32. 32.163 is 50% of ?
  33. 33.60% of a number is 18. What is the number?
  34. 34.50% of a number is 105. What is the number?
  35. 35.10% of a number is 28. What is the number?
  36. 36.50% of a number is 76. What is the number?
  37. 37.5% of a number is 4. What is the number?
  38. 38.Riya spent ₹60, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.15% of a number is 18. What is the number?
  40. 40.30 is 15% of ?

Answer key

  1. 265
  2. 24
  3. 396
  4. 110
  5. 240
  6. 332
  7. 225
  8. 320
  9. 200
  10. 400
  11. 275
  12. 350
  13. 290
  14. 400
  15. 50
  16. 140
  17. 395
  18. 70
  19. 240
  20. 334
  21. 140
  22. 160
  23. 368
  24. 325
  25. 250
  26. 44
  27. 24
  28. 255
  29. 70
  30. 75
  31. 175
  32. 326
  33. 30
  34. 210
  35. 280
  36. 152
  37. 80
  38. 400
  39. 120
  40. 200

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