RRB Group D 10-Dec-2018 Shift 1 Solved Paper

A number is divisible by 6 when it is divisible by both 2 and 3
= All even number is divisible by 2
= A number is divisible by 3 when sum of
digits is divisible by 3
12348= 1+2 + 3+ 4 + 8 = 18