age??????

Algebra Level 1

Total age of A and B is12 years more than total age of B and C.C is how many years younger to A?

none of these 14 24 12

Sai Krishna Yetukuri by Sai Krishna Yetukuri , 25, India

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4 solutions

Astro Enthusiast
Jul 18, 2014

(C+B)-12=A+B That gives us C-12=A C-A=12; Thus, C is older than A by 12 years :)

2 Helpful 0 Interesting 0 Brilliant 0 Confused

Wrong solution

It should be A+B=B+C+12

so A=C+12

This means C is 12 year younger than A.

Harish Chauhan - 6 years, 10 months ago
Hari Vuppalapati
Jul 19, 2014

(A+B) = 12 + (B+C). => A = 12 + C, Thus, C is 12 yrs older than A

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Harish Chauhan
Jul 27, 2014

We have

A+B=B+C+12

so A=C+12

that means C is 12 year younger than A.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

(A+B)-(B+C)=12;A-C=12

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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