Level:
Project ID:
2010000201
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The sum of the first \( 27 \) terms of an arithmetic sequence is \( 1242 \) and the first term is \( 7\). Choose the incorrect statement about its common difference.
\( d \) is an even number
\( d < 4 \)
\( d > 0 \)
\( d \) is a prime number