Question

प्लीज गिव मी डांसर भाई​

Answer 1

Correct option is

C

7:1

x+2y

3x+4y

=

4

9

9x+18y=12x+16y

2y=3x

y=

2

3

x

We have to find ratio of

3x−y

3x+5y

=

4

9

Putting y=

2

3

x in it

3x−

2

3

x

3x+

2

15

x

=

2

3

x

2

21

x

=

1

7

=7:1