Question

9. If A, B, C and D are four numbers such that
A:B = 2:3, B:C=4:5, C:D = 5:8, then A:D is
equal to
12/1:3
(b) 3:1
(c) 2:3
(d) 3:2
7​

Answer 1

Answer:

c 2:3

Step-by-step explanation:

i can't explain it but it is 2:3

Answer 2

Answer:

no it should be 1:3

Step-by-step explanation:

b'caz B:C:D=4:5:8. --------(I)

TAKING COMMON RATIO BE x .

and A:B = 2:3 (given). ----------(ii)

multiply equation (I) by 3 and equation (ii) by 4

then A:B =1:3