1.

A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ?

Answer»

6383



x + x + 1 + x + 2 + x + 3 + x + 4= 5 x 82
= 5x + 10 = 410 = 5x = 400
= x = 400/5 = 80
∴ A = 80
C = 82
and E = 84
= C x E = 82 x 84 = 6383



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