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Percentage lesson 9: Find the whole from a percent · Set 355 · 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.Rohan spent ₹9, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.Ishaan spent ₹77, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  3. 3.24 is 25% of ?
  4. 4.52 is 20% of ?
  5. 5.15 is 60% of ?
  6. 6.Isha spent ₹33, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.76 is 25% of ?
  8. 8.15 is 30% of ?
  9. 9.27 is 75% of ?
  10. 10.25 is 25% of ?
  11. 11.40% of a number is 74. What is the number?
  12. 12.30% of a number is 69. What is the number?
  13. 13.Meera spent ₹60, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Kabir spent ₹60, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.156 is 50% of ?
  16. 16.30% of a number is 33. What is the number?
  17. 17.Anaya spent ₹18, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.14 is 5% of ?
  19. 19.50% of a number is 121. What is the number?
  20. 20.284 is 80% of ?
  21. 21.Riya spent ₹20, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.50% of a number is 20. What is the number?
  23. 23.20% of a number is 33. What is the number?
  24. 24.5% of a number is 5. What is the number?
  25. 25.80 is 25% of ?
  26. 26.8 is 25% of ?
  27. 27.40% of a number is 148. What is the number?
  28. 28.15% of a number is 51. What is the number?
  29. 29.2 is 10% of ?
  30. 30.58 is 25% of ?
  31. 31.15% of a number is 9. What is the number?
  32. 32.75% of a number is 99. What is the number?
  33. 33.75% of a number is 255. What is the number?
  34. 34.8 is 80% of ?
  35. 35.Arjun spent ₹167, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.Isha spent ₹33, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.20% of a number is 25. What is the number?
  38. 38.25% of a number is 12. What is the number?
  39. 39.Meera spent ₹252, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.45 is 12% of ?

Answer key

  1. 90
  2. 308
  3. 96
  4. 260
  5. 25
  6. 275
  7. 304
  8. 50
  9. 36
  10. 100
  11. 185
  12. 230
  13. 100
  14. 400
  15. 312
  16. 110
  17. 150
  18. 280
  19. 242
  20. 355
  21. 25
  22. 40
  23. 165
  24. 100
  25. 320
  26. 32
  27. 370
  28. 340
  29. 20
  30. 232
  31. 60
  32. 132
  33. 340
  34. 10
  35. 334
  36. 132
  37. 125
  38. 48
  39. 336
  40. 375

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