Question

grand sons age - x
grandfather- y
father-z
X + y +z is equal to 140
If x is 1 month y is 1 year; if x is one day; z is one week Find x why z ages . ​

Answer 1

The age of all three is 140 Years.

So, x + y + z = 140 years

The age of Grandson in number of months is equal to age of Grandfather in years.

So, 12*x = z (multiplied by 12 to convert year to month)

The age of Grandson in number of days is equal to age of father in weeks.

So,   365 * x = (365 * y) / 7

Which becomes => 7x = y

So, replacing value of y and z in original equation:

x + 7x + 12x = 140

20x = 140

SON = 7 years

FATHER = F = 7*7 = 49 years

GRANDFATHER = GF = 12*7 = 84 years

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