Correct Answer - Option 4 : 422
Given
Numbers = 12,21 and 35
Remainder = 2
Concept used
We will find the LCM to get a number that is divisible by these numbers and then add the remainder to the LCM.
Calculation
LCM of number 12, 21 and 35 = 420
⇒ Remainder = 2
Number = 420 + 2 = 422
∴ The least number which when divided by 12, 21 and 35 leaves the same remainder 2 is 422