Question

Mr guddu sold her golden ring for Rs3125at a gain 25/2percent . find the cp of ring

Answer 1

SP of the ring= 3125 Rs.
Gain at ring. = 25/2 %
CP= 100/100+Gain% *SP
= 100/100+25/2*3125
= 2777.78

Answer 2

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SP = Rs 3125

Gain% = 25/2%

As we know the formula

CP = SP × 100/(100+GAIN%)
$= \frac{3125 \times 100}{(100 + \frac{25}{2} )} \\ = \frac{312500}{ \frac{200 + 25}{2} } \\ \\ = \frac{312500 \times 2}{225} \\ = 2777.77$
Therefore CP of ring is Rs 2777.77
= 2778

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