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Percentage lesson 9: Find the whole from a percent · Set 959 · 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 ₹248, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.130 is 50% of ?
  3. 3.Ishaan spent ₹38, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.Kabir spent ₹168, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.40% of a number is 136. What is the number?
  6. 6.Rohan spent ₹24, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.Rohan spent ₹160, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.Ishaan spent ₹33, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.51 is 60% of ?
  10. 10.Ishaan spent ₹6, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.60% of a number is 6. What is the number?
  12. 12.75% of a number is 216. What is the number?
  13. 13.33 is 12% of ?
  14. 14.75% of a number is 60. What is the number?
  15. 15.Dev spent ₹34, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  16. 16.25% of a number is 62. What is the number?
  17. 17.50% of a number is 41. What is the number?
  18. 18.Anaya spent ₹33, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.33 is 15% of ?
  20. 20.Meera spent ₹21, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.10 is 10% of ?
  22. 22.40% of a number is 124. What is the number?
  23. 23.75 is 30% of ?
  24. 24.Isha spent ₹18, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.75% of a number is 84. What is the number?
  26. 26.80% of a number is 80. What is the number?
  27. 27.Aarav spent ₹109, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.30% of a number is 33. What is the number?
  29. 29.15% of a number is 12. What is the number?
  30. 30.10% of a number is 10. What is the number?
  31. 31.75% of a number is 132. What is the number?
  32. 32.7 is 10% of ?
  33. 33.1 is 5% of ?
  34. 34.267 is 75% of ?
  35. 35.18 is 5% of ?
  36. 36.20 is 5% of ?
  37. 37.Sara spent ₹9, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.80% of a number is 216. What is the number?
  39. 39.5 is 10% of ?
  40. 40.60% of a number is 198. What is the number?

Answer key

  1. 310
  2. 260
  3. 95
  4. 210
  5. 340
  6. 160
  7. 400
  8. 220
  9. 85
  10. 60
  11. 10
  12. 288
  13. 275
  14. 80
  15. 170
  16. 248
  17. 82
  18. 220
  19. 220
  20. 175
  21. 100
  22. 310
  23. 250
  24. 120
  25. 112
  26. 100
  27. 218
  28. 110
  29. 80
  30. 100
  31. 176
  32. 70
  33. 20
  34. 356
  35. 360
  36. 400
  37. 75
  38. 270
  39. 50
  40. 330

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