A watch dealer purchased a certain number of watches at an average price of Rs. 190 per watch. The average cost of 10 watches was Rs. 175 and that of the remaining was Rs. 200. Find the total number of watches purchased by the dealer.

A watch dealer purchased a certain number of watches at an average pri

1.	A watch dealer purchased a certain number of watches at an average price of Rs. 190 per watch. The average cost of 10 watches was Rs. 175 and that of the remaining was Rs. 200. Find the total number of watches purchased by the dealer.
A.	40
B.	25
C.	30
D.	None of these
Answer» C. 30

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A watch dealer purchased a certain number of watches at an average price of Rs. 190 per watch. The average cost of 10 watches was Rs. 175 and that of the remaining was Rs. 200. Find the total number of watches purchased by the dealer.

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