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Rs aggarwal solutions

A dealer sold a camera for ₹1080 gaining 1/8 of its cost price. Find (i) the cost price of the camera, and (ii) the gain percent earned by the dealer.

Let us consider the cost price of camera be x

SP of camera = x + 1x/8 =1080

x + x/8 = 1080

9x/8 = 1080

9x = 1080 × 8

x = 960

∴ The CP of the camera = ₹960

(ii) Gain = SP – CP = 1080 - 960 = 120

Gain % = (120 × 100) / 960

=12.5%

∴ The Gain percent is 12.5%

Let us consider the cost price of camera be x

SP of camera = x + 1x/8 =1080

x + x/8 = 1080

9x/8 = 1080

9x = 1080 × 8

x = 960

∴ The CP of the camera = ₹960

(ii) Gain = SP – CP = 1080 - 960 = 120

Gain % = (120 × 100) / 960

=12.5%

∴ The Gain percent is 12.5%

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