Question

1. The sum of digits of a 2 digit number is 3. If the number is 6 times the ones digit, find the number​

Answer 1

let ten digit = a

let the one digit no.be b

a+b=3=a=3-b

10a + b = 6b

10(3-b)+b=6b

30-10b+b=6b

30-9b=6b

30=15b

b=2

if b= 2 the A.T.Q = a = 3-b

3-2=1

so 2 digit no. is ab which is 12 answer

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