Question

Naresh said to his daughter that seven years ago my age was seven times
your age and three years from now I will be three times as old as you.​

Answer 1

Answer:

seven years ago ,

we can take age of naresh's daughter= x

then,

naresh's age =7x

now

age of naresh=7x+7

age of daughter =x+7

three years from now,

age of naresh=7x+7+3

age of daughter =x+7+3

$7x + 7 + 3 = 3(x + 7 + 3) \\ 7x + 10 = 3(x + 10) \\ 7x + 10 = 3x + 30 \\ 7x = 3x + 30 - 10 \\ 7x = 3x + 20 \\ 7x - 3x = 20 \\ 4x = 20 \\ x = \frac{20}{4} = 5 \\ \\ x = 5$

naresh's age now= 7x+7

=7×5+7=35+7

=42

daughter 's age now=x+7

=5+7

=12

hope this will help u.....

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