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Percentage lesson 9: Find the whole from a percent · Set 339 · 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.Diya spent ₹16, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  2. 2.5% of a number is 9. What is the number?
  3. 3.66 is 60% of ?
  4. 4.25% of a number is 64. What is the number?
  5. 5.96 is 30% of ?
  6. 6.Dev spent ₹59, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.Anaya spent ₹27, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.Kabir spent ₹84, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.12% of a number is 27. What is the number?
  10. 10.10 is 40% of ?
  11. 11.80% of a number is 252. What is the number?
  12. 12.12 is 5% of ?
  13. 13.160 is 80% of ?
  14. 14.Meera spent ₹4, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.5% of a number is 12. What is the number?
  16. 16.Dev spent ₹1, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.25% of a number is 12. What is the number?
  18. 18.30% of a number is 42. What is the number?
  19. 19.75% of a number is 144. What is the number?
  20. 20.Arjun spent ₹166, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.39 is 15% of ?
  22. 22.93 is 75% of ?
  23. 23.20% of a number is 26. What is the number?
  24. 24.Riya spent ₹15, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Sara spent ₹96, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.Arjun spent ₹78, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.80% of a number is 248. What is the number?
  28. 28.48 is 40% of ?
  29. 29.Diya spent ₹1, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  30. 30.288 is 80% of ?
  31. 31.5% of a number is 13. What is the number?
  32. 32.30% of a number is 75. What is the number?
  33. 33.5% of a number is 14. What is the number?
  34. 34.18 is 10% of ?
  35. 35.114 is 40% of ?
  36. 36.25% of a number is 69. What is the number?
  37. 37.30% of a number is 60. What is the number?
  38. 38.60% of a number is 3. What is the number?
  39. 39.20% of a number is 23. What is the number?
  40. 40.Ishaan spent ₹105, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 160
  2. 180
  3. 110
  4. 256
  5. 320
  6. 236
  7. 135
  8. 140
  9. 225
  10. 25
  11. 315
  12. 240
  13. 200
  14. 5
  15. 240
  16. 20
  17. 48
  18. 140
  19. 192
  20. 332
  21. 260
  22. 124
  23. 130
  24. 50
  25. 120
  26. 390
  27. 310
  28. 120
  29. 4
  30. 360
  31. 260
  32. 250
  33. 280
  34. 180
  35. 285
  36. 276
  37. 200
  38. 5
  39. 115
  40. 350

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