Tulika is 3 times as old as her cousin. The sum of their ages is 36 years. The age of Tulika is years.

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Solution

The correct option is C 27
Let Tulika's cousin age be $x$ years
Tulika's age be $3 x$ years.

The sum of their ages is 36 years.
$x + 3 x = 36$
$4 x = 36$

Value of $x$ L.H.S R.H.S

8 32 36

9 36 36

The value of $x = 9$
The age of Tulika's cousin is 9 years.
The age of Tulika is $3 \times 9 = 27 y e a r s$

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