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A sells an article to B at a gain of 10% and B sells it to C at a gain of 5%. If C pays Rs.4,620 for it, what did it cost to A?
- ARs. 1,800
- BRs. 2,000
- CRs. 4,000
- DRs. 6,000
Correct answer: C
Discussion 1
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CCommunity
Rs. 4,000
Let the cost price of A be Rs.100, then the selling price =Rs.110. Now, the cost price of B be Rs.110
Selling price of B =105/100 × 110 100 231 = Rs. 132/2
∴ C.P. of C = 231/2
But the cost price of C as given = Rs.4,620
If the cost price of C is Rs. 231/2,
then the C.P. of A = Rs.100
If the cost price of C is Rs.4,620 then the
C.P of A=(100 × 2 × 4620)/ 231
= Rs.4,000
Let the cost price of A be Rs.100, then the selling price =Rs.110. Now, the cost price of B be Rs.110
Selling price of B =105/100 × 110 100 231 = Rs. 132/2
∴ C.P. of C = 231/2
But the cost price of C as given = Rs.4,620
If the cost price of C is Rs. 231/2,
then the C.P. of A = Rs.100
If the cost price of C is Rs.4,620 then the
C.P of A=(100 × 2 × 4620)/ 231
= Rs.4,000