1.

Two unequal pairs of numbers satisfy the following conditions:(i) The product of the two numbers in each pair is 2160(ii) The HCF of the two numbers in each pair is 12.If x is the mean of the numbers in the first pair and y is the mean of the numbers in the second pair, then what is the mean of x and y?

A. 60
B. 72
C. 75
D. 78
Answer» C. 75


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