If M is the wrong term and N is the corrected term of the given series, 250, 262, 286, 333, 430, 622, 1006
Which of the following is/are correct?
I. (2M + N/2) is divisible by 7
II. The unit digit of (2M - N) is 2
III. (M + N + 32) is a perfect square.
1
Only I
2
Only II
3
Only I and III
4
Only II and III
5
All are correct