Find the least value of K for which 7864K3 is divisible by 7.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 4.
From the given options,
If K = 4, then 7864K3 = 786443
Here, 786443 = 112349 × 7
Hence, the required value of K is 4.