TCS Company Numerical Ability Age Problem

the sum of anitha and sunitha age is 43.hence 11 years anitha age will be 7/6 times of sunitha age.find the present sunitha age?

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TCS Other Question

Here a^b means a raised to the power of b.find the highest possible value of n such that 8^n is exactly divisible by 44^44
1)44
2)29
In how many ways 3 boys can be placed in 9 seats in a single row,such that no two boys are adjacent to each other.