Accenture Company Numerical Ability Arithmetic

The sum of three numbers in an arithmetic progression is 285. If the first number is 40, what is the product of first and the last numbers?
A)3800 B)6000 C)4050 D)14250

Read Solution (Total 1)

a+a+d+a+2d=285
40+40+d+40+2d=285
120+3d=285
3d=165
d=55
150*40=6000ans
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