Question

7) Find C.P when S.P = Rs 2640 and profit % = 10%​

Answer 1

answer is Rs.2400

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Answer 2

Let C.P = RS 100

Profit=10% of RS 100 =RS 10

and S.P =RS 100+10 =rs 110

When S.P=RS 110

C.P =RS 100

When, S.P =RS 1

C.P =RS 100/110

And, when S.P=RS 2640

C.P =RS 100/110×2640

=rs 2400

Therefore, the value of C.P is RS 2400