Kapil is three years younger than his sister Ritu and present age of Kapil to his mother is 2:7sum of present age of all the three is 69what is the present age of ritu what is the step by step solution sir please explain
refer 10:26 of this video, which was same as yours question. and the answer is present age of K:M is 2x : 7x R = K+3 then R = 2x +3 K+M+R = 69 2x + 7x + 2x+3 = 69 11x + 3 = 69 11x = 66 x= 6 ritu age = 2x +3 => 2*6+3 =15 years
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Kapil is three years younger than his sister Ritu and present age of Kapil to his mother is 2:7sum of present age of all the three is 69what is the present age of ritu what is the step by step solution sir please explain
refer 10:26 of this video, which was same as yours question.
and the answer is
present age of K:M is 2x : 7x
R = K+3
then R = 2x +3
K+M+R = 69
2x + 7x + 2x+3 = 69
11x + 3 = 69
11x = 66
x= 6
ritu age = 2x +3 => 2*6+3 =15 years
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