The ages of Mira, Tina and Sania are in the ratio of 6: 4: 7, respectively. If the sum of their ages is 34 yr, what is Sania's age? |
A) 12 yr
B) 10 yr
C) 18 yr
D) 8 yr
E) None of these
Correct Answer: E
Solution :
Let the ages of Mira, Tina and Sania be 6x, 4x and 7x, respectively. |
Then, \[6x+4x+7x=34\] |
\[\Rightarrow \] \[17x=34\] |
\[\Rightarrow \] \[x=2\,yr\] |
\[\therefore \] Sania's age \[=7x=7\times 2=14\,yr\] |
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