The product of two consecutive even numbers is 5328. What is the smaller number?
The product of two consecutive even numbers is 5328. What is the smaller number?
(a) 70 (b) 68
(c) 74 (d) 72
(e) None of these
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(d) Let the smaller number be x
x (x + 2) = 5358
x2 + 2x – 5328 = 0
(x + 74) (x – 42) = 0
x = 72
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