1.

a, b, c, d, e, f, g are consecutive even numbers. j, k, l, m, n are consecutive odd numbers. The average of all the numbers is :

A. $3\left( {\frac{{a + n}}{2}} \right)$$
B. $\left( {\frac{{1 + d}}{2}} \right)$$
C. $\left( {\frac{{a + b + m + n}}{4}} \right)$$
D. $3\left( {\frac{{j + c + n +g}}{4}} \right)$$
Answer» C. $\left( {\frac{{a + b + m + n}}{4}} \right)$$


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