Q.6) Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers. Solution:- Next Ex – 1.1 Que No. 1 Ex – 1.1 Que No. 2 Ex – 1.1 Que No. 3 Ex – 1.1 Que No. 4 Ex – 1.1 Que No. 5 Ex – 1.1 Que No. 6 Ex – 1.1 Que No. 7
