if the average age of rakesh and mohan is 15, average age of mohan and ramesh is 12 and then average age of rakesh and ramesh is 13, what is the age of mohan
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Answer:
age of Mohan is 14.
Step-by-step explanation:
Let the age of Rakesh, Mohan & Ramesh be R, M & r respectively
Then R+M = 15 × 2 = 30... (1)
M+r = 12 × 2 = 24... (2)
R+r = 13 × 2 = 26... (3)
Adding the above three equations, we get
2(R + M + r) = 30 + 24 + 26 = 80
=> R + M + r = 40... (4)
Subtract (3) from (4)
we get, M = 40 - 26
= 14
So, Mohan's age is 14.
HOPE IT HELPS YOU MATE!!
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