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Quantitative Aptitude

Simple Interest & Compound Interest

Kantilal mixe...

Question

Kantilal mixes 80 Kg of sugar worth of Rs 6.75 per Kg with 120 Kg worth of Rs 8 per Kg. At what rate shall he sell the mixture to gain 20%?

A

Rs 7.50

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B

Rs 9

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C

Rs 8.20

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D

Rs 8.85

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E

None of these

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Solution

The correct option is B Rs 9
$35 [\frac{100 Z - 8 (100 + 20)}{675 (100 + 20) - 100 Z}] = 80 ∴ Z = R s 9 p e r K g .$

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