1.

Sum of three consecutive multiples of 12 is 144 find them

Answer»

Let the multiple be
x , x+12 , x+24

so,
x+x+12+x+24=144
3x+36=144
3x=144-36
3x=108
x=108/3
x=36

so the MULTIPLES are 36, 48 and 60.
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for check
36+48+60=144
our answer is right
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