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Percentage lesson 9: Find the whole from a percent · Set 778 · 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.Ishaan spent ₹53, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Meera spent ₹68, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.50% of a number is 96. What is the number?
  4. 4.37 is 25% of ?
  5. 5.5% of a number is 1. What is the number?
  6. 6.Aarav spent ₹195, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.112 is 80% of ?
  8. 8.10% of a number is 36. What is the number?
  9. 9.30% of a number is 114. What is the number?
  10. 10.Sara spent ₹4, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.60% of a number is 60. What is the number?
  12. 12.7 is 10% of ?
  13. 13.Aarav spent ₹39, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Aarav spent ₹148, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.30% of a number is 111. What is the number?
  16. 16.80% of a number is 240. What is the number?
  17. 17.5 is 10% of ?
  18. 18.30 is 15% of ?
  19. 19.49 is 50% of ?
  20. 20.Kabir spent ₹36, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.80% of a number is 312. What is the number?
  22. 22.Rohan spent ₹15, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.Meera spent ₹99, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.Rohan spent ₹46, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Anaya spent ₹1, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.30% of a number is 81. What is the number?
  27. 27.Riya spent ₹12, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.Sara spent ₹116, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.30% of a number is 90. What is the number?
  30. 30.Meera spent ₹13, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.Diya spent ₹76, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.75% of a number is 204. What is the number?
  33. 33.60% of a number is 30. What is the number?
  34. 34.27 is 15% of ?
  35. 35.Aarav spent ₹12, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.20 is 80% of ?
  37. 37.9 is 30% of ?
  38. 38.Sara spent ₹30, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Meera spent ₹37, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.51 is 15% of ?

Answer key

  1. 265
  2. 272
  3. 192
  4. 148
  5. 20
  6. 325
  7. 140
  8. 360
  9. 380
  10. 80
  11. 100
  12. 70
  13. 195
  14. 185
  15. 370
  16. 300
  17. 50
  18. 200
  19. 98
  20. 360
  21. 390
  22. 100
  23. 165
  24. 184
  25. 10
  26. 270
  27. 120
  28. 145
  29. 300
  30. 65
  31. 190
  32. 272
  33. 50
  34. 180
  35. 80
  36. 25
  37. 30
  38. 250
  39. 185
  40. 340

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