Discussion

Explanation:

Let cost price of A be (CP)A, of B be (CP)B and that of C be (CP)C.

Similarly, selling prices be designed as (SP)A ; (SP)B and (SP)C

If (CP)A = x 

Then, (CP)B = (SP)A = 1.1 x 

(CP)C = (SP)B = (1.2) (1.1) x = Rs. 924 ⇒ x = Rs. 700

Hence, option (b).

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