Subhash purchased a tape recorder at 9-10th of its selling price and sold it at 8- more than its S-P- His gain percent is -

The correct option is D 20% he bought the tape for 0.9 × (S.P.) and sell it for 1.08× #160; (S.P.) gain percentage =1.08× (S.P.) 0.9× (S. ...

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Standard VIII

Mathematics

Prices / Charges Related to Buying and Selling

Subhash purch...

Question

Subhash purchased a tape recorder at ${(\frac{9}{10})}^{t h}$ of its selling price and sold it at $8 %$ more than its S.P. His gain percent is _________.

8 %

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10 %

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18 %

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20 %

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Solution

The correct option is D $20 %$
he bought the tape for $0.9 \times (S . P .)$

and sell it for $1.08 \times (S . P .)$

gain percentage $= \frac{1.08 \times (S . P .) - 0.9 \times (S . P .)}{0.9 \times (S . P .)}$
$= \frac{0.18}{0.9} = 0.2$

$= 20 %$

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Subhash purchased a tape recorder at (910)th of its selling price and sold it at 8% more than its S.P. His gain percent is _________.

The correct option is D 20%he bought the tape for 0.9×(S.P.)and sell it for 1.08×(S.P.)gain percentage =1.08×(S.P.)−0.9×(S.P.)0.9×(S.P.)=0.180.9=0.2=20%

Subhash purchased a tape recorder at ${(\frac{9}{10})}^{t h}$ of its selling price and sold it at $8 %$ more than its S.P. His gain percent is _________.

The correct option is D $20 %$
he bought the tape for $0.9 \times (S . P .)$

and sell it for $1.08 \times (S . P .)$

gain percentage $= \frac{1.08 \times (S . P .) - 0.9 \times (S . P .)}{0.9 \times (S . P .)}$
$= \frac{0.18}{0.9} = 0.2$

$= 20 %$