Question

the present age of Shivam and Vishnu are in the ratio 4 :5 10 years later their age will be in the ratio 7: 9 find their present age​

Answer 1

Answer:

Let present age of Sunil be x present age of Anil be y

10 year before

x−10

x−10

=

7

1

7x−70=y−10

7x−y=60

10 year after

x+10

x+10

=

2

1

2x+20=y+10

2x−y=−10

2x−y=60

Refer image.

x=14 year (age of Sunil)

Y=28+10=38 years.

38−10=28 years.

Answer 2

Answer:

My Age Is 14 I will Be 15 XD Check In Bio

Let Present Age Of SHIVAM Be 4x

Vishnu Be 5x

After 10 Years It Will Be

4x+10

5x+10

So,

4x+10 = 7

5x+10 9

9(4x+10) = 7(5x+10)

36x+90 = 35x+70

36x-35x = 90-70

x= 20

So, Putting The x value

4x = 4×20 = 80

5x = 5×20 =10

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