A person sells a colour TV at 10 below cost price Had he received Rs 1494 more he would have made a ...........

Quantitative Aptitude ( CCS) Profit and loss

A person sells a colour TV at 10% below cost price. Had he received Rs. 1494 more, he would have made a profit of 12 1/2%. What was the cost price of colour TV?

Rs. 6400

Rs. 7200

Rs. 6640

None of these

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Explanation:

Let the CP = X
SP = X- 10% of X = 0.9X
If he had taken 1494 dollars more,
SP = 0.9X+ 1494 --------------- (1)
According to question,
Profit = 12.5%
0.9X + 1494 = X + 12.5% of X
0.9X - 1.125X = - 1494
0.225X = 1494
X = 6640.
So, CP = 6640.