Question

The sum of two numbers is 45 and their dif.
ference is 1/9 of their sum Their LCM is
(a) 200
(b) 100
(c) 180
(d) 90
1110​

Answer 1

Answer:

Step-by-step explanation:let x and y be the two no.

accoding to the qsn

x+y=45

x-y=1/9(x+y)

x-y=1/9(45)

x-y = 5

x=5+y

putting the value of x in 1st eqn

we get

5+y+y=45

y=40/2

y=20

x=5+20

=25

lcm= 20,25

=5×4×5

=100