Question

The ratio between two numbers is 7:11 and their
LCM is 154. The first number is:
(a) 14
(b) 7
(c) 22
(d) 32

Answer 1

Answer:

a)14

Step-by-step explanation:

let first number be =7x

let the second number be=11x

LCM=154

first number= (7x)×(11x)=154

(77x)=154

x=154/77

x=2

so, first number is (7×2)

= 14