Question

Let the present ages of 'K' and 'L' be 'm' years and 'n'

Q: Answer-Let the present ages of 'K' and 'L' be 'm' years and 'n' years respectively. Four years ago, the com...

ATQ, m n 32 4 4 Or, m n 40 ------ I m 33 2 n 33 2 5 Or, m 33 n 33 10 Or, m n 10 On putting value of m in equation I, We get, n 10 n 40 Or, 2n 30 Or, n 15 On putting value of n in equation I, We get, m 15 10 25 Therefore, required age 25 3 28 years

years respectively. Four years ago, the combined age of both was 32 years. If average of 'm' and 33 is 5 more than average of 'n' and 33, what will be the age of 'K' three years later?

A 28 yrs

B 25 yrs

C 18 yrs

D 32 yrs

E None of these

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