An item when sold for 1690 Rs. earned 30% profit on the cost price. Then the cost price is :

An item when sold for 1690 Rs. earned 30% profit on the cost price. Then the cost price is :
[A]130 Rs.
[B]507 Rs.
[C]630 Rs.
[D]1300 Rs.

1300 Rs.
If the C.P. be x, then
= \frac{x\times 130}{100} = 1690
=> x = \frac{1690\times 100}{130} = 1300 Rs.
Hence option [D] is the right answer.

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