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1 .


If the sum of five consecutive even numbers A, B, C, D and E is 110, what is the product of B and D?

[ A ]    460
[ B ]    480 right
[ C ]    520
[ D ]    760
[ E ]    None of these
Answer : Option B
Explanation :
Let A be x.

Then, B = x + 2, C = x + 4, D = x + 6 and E

= x + 8

Now, x + x + 2 + x + 4 + x + 6 + x + 8 = 110

or, 5x = 110 - 20 = 90

x = 18

B = 20 and D = 24

Hence, B $\times$ D = 20 $\times$ 24 = 480
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