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One grandfather has three grandchildren, two of their age difference is 3, eldest child age is 3 times youngest child’s age and eldest child’s age is two times of sum of other two children. What is the age of eldest child?

```
6 years ago

SAGAR SINGH - IIT DELHI
879 Points
```										Dear student,
Three grand-kids, x,y,z; z is the eldest  "eldest child age is 3 times youngest child’s age"
z = 3x  "and eldest child’s age is two times of sum of other two children.: z = 2(x+y) z = 2x + 2y Replace z with 3x 3x = 2x + 2y 3x - 2x = 2y x = 2y;

All the best.
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Sagar Singh
B.Tech, IIT Delhi

```
6 years ago
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