Question

parminder sold a watch at a loss of 5% if he sold that watch for 27 more he would have gained 7% find the cost price of watch​

Answer 1

Answer:

135 Rs.

Step-by-step explanation:

Let CP be x Rs.

Step 1) Loss%=5%

Therefore:

Loss = 5% of x = 0.05x

Therefore:

SP1 = CP - Loss = x - 0.05x = 0.95x

Step 2) SP2 = SP1 + 27 Rs.

= 0.95x + 27

And:

Profit = 7% of x = 0.07x

= SP2 - Loss

= (0.95x + 27) - x

Final Step)

This implies that:

(0.95x + 27) - x = 0.07x

so. 0.95x + 27 - x = 0.07x

so. 0.95x - x - 0.07x = -27

so. 0.95x - 1.07x = -0.12x = -27

so. 0.12x = 27

so. x = 27 ÷ 0.12 = 225 Rs.

Ans. CP is 225 Rs.

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