Question

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Answer 1

Answer:

This is the answer

Step-by-step explanation:

Let,

the present age of ramesh be = 5x

the present age of mahesh be = 7x

after four years,

age of ramesh will be = 5x + 4

age of mahesh will be = 7x + 4

\frac{5x + 4}{7x + 4} = \frac{3}{4}

4( 5x + 4 ) = 3 ( 7x + 4 )

20x + 16 = 21x + 12

4 = x

age of ramesh = 5(x) = 5(4) = 20

age of mahesh = 7x = 7(4) = 28

Therefore,

present age of ramesh will = 20 years

Present age of mahesh will = 28 years

2nd answer:-

Let the numbers = 9x, 9x+9, 9x+ 18

So

9x + 9x+9+9x+ 18 = 81

27x = 54

x = 2

So the required multiples are 18, 27, 36