Question

Sp=₹924 gain=10% find cp for class

Answer 1

Answer:

rs 840

Step-by-step explanation:

S.P= rs 924

Gain % = 10 %

C.P= S.P*(100/100+gain %)

    = rs 924* (100/110)

    = rs 924 * (10/11)

    = rs 84 * 10                 (924/11=84)

   = rs 840

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Answer 2

Answer:

CP- Rs. 840

Step-by-step explanation:

SP= 924. Gain=10%

Let x be the cost price.

Gain=10% of x

=10. × x

100

=10x

100

Since, SP - CP= Profit

Therefore, 924-x=10

100

=924= 10x

100

=924= 10x +x

100

=924= 10x + 100x

100

=924= 110x

100

=924×100= 110x

=924×100 =x

100

=840

ANS. The CP is Rs. 840

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