Question 89

The product of three consecutive even numbers is 4032. The product of the first and the third number is 252. What is five times the second number?

Solution

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Let the numbers be x-2 , x and x+2
Product of the first and the third numbers = 252
x2 -4 = 252
x2 = 256
x = 16
Five times the middle number  = 5 x 16 = 80

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