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Percentage lesson 9: Find the whole from a percent · Set 237 · 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.Isha spent ₹201, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.18 is 12% of ?
  3. 3.Ishaan spent ₹80, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.Arjun spent ₹120, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.70 is 20% of ?
  6. 6.144 is 50% of ?
  7. 7.164 is 80% of ?
  8. 8.50% of a number is 127. What is the number?
  9. 9.Ishaan spent ₹69, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.42 is 12% of ?
  11. 11.25% of a number is 79. What is the number?
  12. 12.25% of a number is 94. What is the number?
  13. 13.Dev spent ₹32, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.Isha spent ₹88, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Anaya spent ₹51, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.54 is 15% of ?
  17. 17.27 is 20% of ?
  18. 18.15 is 5% of ?
  19. 19.5 is 5% of ?
  20. 20.Ishaan spent ₹58, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.Aarav spent ₹276, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.10% of a number is 22. What is the number?
  23. 23.Arjun spent ₹41, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.Isha spent ₹98, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.25% of a number is 25. What is the number?
  26. 26.Rohan spent ₹198, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  27. 27.60% of a number is 66. What is the number?
  28. 28.220 is 80% of ?
  29. 29.Dev spent ₹216, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.162 is 75% of ?
  31. 31.12% of a number is 24. What is the number?
  32. 32.6 is 12% of ?
  33. 33.39 is 12% of ?
  34. 34.25% of a number is 24. What is the number?
  35. 35.10% of a number is 14. What is the number?
  36. 36.Kabir spent ₹126, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.Riya spent ₹244, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.30% of a number is 33. What is the number?
  39. 39.65 is 20% of ?
  40. 40.4 is 25% of ?

Answer key

  1. 335
  2. 150
  3. 320
  4. 400
  5. 350
  6. 288
  7. 205
  8. 254
  9. 115
  10. 350
  11. 316
  12. 376
  13. 40
  14. 110
  15. 340
  16. 360
  17. 135
  18. 300
  19. 100
  20. 232
  21. 368
  22. 220
  23. 205
  24. 245
  25. 100
  26. 264
  27. 110
  28. 275
  29. 288
  30. 216
  31. 200
  32. 50
  33. 325
  34. 96
  35. 140
  36. 168
  37. 305
  38. 110
  39. 325
  40. 16

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