110
$7 \times 29 \times 23 + 1$ is:
- (a)a prime number.
- (b)an odd number.
- (c)divisible by $23$.
- (d)a composite number.
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Answer: (D) a composite number
CBSE Class 10 Maths PYQ · Real Numbers · Prime number · 1 Mark · March 2026 · Basic
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