A) Rs. 300
B) Rs. 310
C) Rs. 220
D) Rs. 240
Correct Answer: D
Solution :
If cost of 15 apples =Rs. 75 Now cost of 1 dozen or 12 apples\[=Rs.\,\,\frac{75\times 12}{15}\] \[=Rs.\,\,60\] Hence, cost of 4 dozen apples \[=Rs.\,\,60\times 4\] \[=Rs.\,\,240\]
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