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Percentage lesson 9: Find the whole from a percent · Set 740 · 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.Arjun spent ₹33, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.30% of a number is 27. What is the number?
  3. 3.25% of a number is 83. What is the number?
  4. 4.12% of a number is 18. What is the number?
  5. 5.15% of a number is 51. What is the number?
  6. 6.15% of a number is 60. What is the number?
  7. 7.60% of a number is 48. What is the number?
  8. 8.25% of a number is 34. What is the number?
  9. 9.22 is 25% of ?
  10. 10.64 is 25% of ?
  11. 11.17 is 5% of ?
  12. 12.94 is 40% of ?
  13. 13.Rohan spent ₹9, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.Anaya spent ₹3, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.5 is 5% of ?
  16. 16.80 is 40% of ?
  17. 17.Ishaan spent ₹232, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.89 is 50% of ?
  19. 19.Anaya spent ₹1, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.10% of a number is 1. What is the number?
  21. 21.Meera spent ₹4, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.50% of a number is 6. What is the number?
  23. 23.40% of a number is 48. What is the number?
  24. 24.80% of a number is 212. What is the number?
  25. 25.Dev spent ₹11, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.308 is 80% of ?
  27. 27.Rohan spent ₹57, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.Diya spent ₹39, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.Meera spent ₹68, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.Dev spent ₹18, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.Isha spent ₹63, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.Isha spent ₹20, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.18 is 12% of ?
  34. 34.43 is 50% of ?
  35. 35.Meera spent ₹73, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.Ishaan spent ₹3, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.12% of a number is 15. What is the number?
  38. 38.50% of a number is 38. What is the number?
  39. 39.Meera spent ₹41, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.60% of a number is 33. What is the number?

Answer key

  1. 275
  2. 90
  3. 332
  4. 150
  5. 340
  6. 400
  7. 80
  8. 136
  9. 88
  10. 256
  11. 340
  12. 235
  13. 75
  14. 20
  15. 100
  16. 200
  17. 290
  18. 178
  19. 10
  20. 10
  21. 20
  22. 12
  23. 120
  24. 265
  25. 110
  26. 385
  27. 380
  28. 325
  29. 170
  30. 90
  31. 315
  32. 25
  33. 150
  34. 86
  35. 365
  36. 20
  37. 125
  38. 76
  39. 164
  40. 55

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