A sells a cycle to B at a profit of 5% and B sells it to

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A sells a cycle to B at a profit of 5% and B sells it to C at a profit of 10%. If C pays $ 2310 for it, the cost price of A is

Let the C.P. for A be $ y, then
According to question,

y ×		105	×	110	= 2310
		100		100

⇒ y =	2310 × 100 × 100	= $ 2000
	105 × 110

We can find required answer with the help of given formula :
Here, r₁ = 5%, r₂ = 10%

C.P. for C = C.P. for A

2310 = C.P. for A

C.P. for A =	2310 × 100 × 100	= 2000
	105 × 110