Question

7 times a given two digit no. is equal to 4 times
the No. obtained by reversing the order. the
Sum of the digits of the No. is 3 Find
the No.​

Answer 1

Answer:

7(10x+y)=4(10y+x)

70x+7y=40y+4x

70x-4x=40y-7y

66x=33y

y=66x/33=2x

y=2x

if no is 3

x/y=2/1

x+y =2+1=3