Percentage
- A fruit seller had some apples. He sells 40% and still has 420 apples. Originally, he had ?
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∵ 60% of N = 420
∴ N = (420 x 100)/60Correct Option: D
∵ 60% of N = 420
∴ N = (420 x 100)/60 = 700
- A ore contains 12% copper. How many kg of ore are required to get 69 kg of copper ?
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&becaus 12% of W = 69
⇒ W = (69 x 100) / 12Correct Option: B
&becaus 12% of W = 69
⇒ W = (69 x 100) / 12 = 575 kg
- In an examination 65% of the total examinees passed if the number of failures is 420 total number of examinees is ?
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35% of N = 420
∴ N = (420 x 100) / 35Correct Option: D
35% of N = 420
∴ N = (420 x 100) / 35 = 1200
- 75% of a number when added to 75 is equal to the number. The number is ?
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75 + 75% of N = N
⇒ N -3N/4 = 75Correct Option: D
75 + 75% of N = N
⇒ N -3N/4 = 75
⇒ N/4 = 75
∴ N = (75 x 4) = 300
- What will be 80 percent of a number whose 200 percent is 90 ?
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∵ 200% of N = 90
⇒ N = (90 x 100) / 200 = 45Correct Option: C
∵ 200% of N = 90
⇒ N = (90 x 100) / 200 = 45
∴ 80% of N = (80 x 45) / 100 = 36