A sells an article to B at gain of 25 B sells it to C at a gain of 20 and C sells it to D at a gain ...........

Quantitative Aptitude ( CCS) Profit and loss

A sells an article to B at gain of 25% B sells it to C at a gain of 20% and C sells it to D at a gain 10%. If D pays Rs. 330 for it, how much did it cost to A?

Rs. 200

Rs. 216

Rs. 100

Rs. 250

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Explanation:

Let Cost Price for A was 100.
Then CP for B = 100 + 25% of 100 = 125.
CP for C = 125 + 20% of 125 = 150.
CP for D = 150 + 10% of 150 = 165.
But, D pay Rs. 330. Then it must be equal to
165 = 330
1 = 330/165
100 = (330 * 100)/165 = 200.
Thus, CP for A = Rs. 200.