Question

J290
VILJJV
122. The sum three numbers is 105. If the ratio between
the first and second be 2:3 and that between the
second and third be 4:5, then find the second
number
A) 35
B) 24
C) 36
D) 45​

Answer 1

Answer:

36

Step-by-step explanation:

let those numbers are a,b and c

a+b+c=105

a:b=2:3

b:c=4:5

a:b:c=2*4:4*3:3*5=8:12:15

b=12*105/(8+12+15)=12*105/35=36