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Estimating Products of Numbers

Sandesh sold ...

Question

Sandesh sold $15 k g$ apples for $R s . 2100$ and made a profit of $12.5 %$ . At what price per kg should he sell to gain $15 %$

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Solution

Apples sold $= 15 k g$
$S . P = R s 2100$
$C . P = R s 2100 - 12.5 % o f R s 2100$
$= R s 2100 - R s 262.5$
$= R s 1, 837.5$
C.P of 1 kg $= R s 1225$
Profit on 1 kg apple $= 15 % o f R s 122.5$
S.P of 1 kg apple = Rs 122.5+15% of 122.5
$= R s 122.5 + 18.375$
$= R s 140.875$

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