Question

please solve this question. please​

Answer 1

Answer:

1) 1.

2) 2.

Step-by-step explanation:

1)

A:B B:C C:D

8:15 3(5:8) 4:5

8:15 15:24 6(4:5)

8:15 15:24 24:30

A:B:C:D = 8:15:24:30

2) a:b=b:c

applying product of mean=product of extreme

b×b=a×c

b² = ac

a⁴:b⁴ = a⁴:(b²)²

= a⁴:(ac)²

= a⁴:a²c² ( a² common )

= a²:c²

I hope this will help