1. gcd( 18,300) = a) 4 b) 12 c) 8 d) 6 AnswerAnswer: d [Reason:] gcd( 18,300) = 6. Find the common factors to compute GCD/HCF. 2. ᶲ(37)= a) 24 b) 22 c) 13 d) 36 AnswerAnswer: d [Reason:] 37 is a prime number hence ᶲ(37) = 36. 3. ᶲ(35)= a) 24 b) 25 c)…