Question

Multiple Choice Questions (MCQS)
8. The number of primes between 1 and 100 is
(a) 20
(b) 26
(©) 25
(d) 27
9. Which of the following is a pair of co-primes?
(a) 20, 25
(b) 18, 35
(c) 15,63
(d) 28,81
10. Which of the following is a pair of twin primes
between 50 and 70 ?
(a) 51, 53
(b) 57, 59
(c) 59, 61
(d) 63, 65
Tests for Divisibility​

Answer 1

Answer:

b,d,a is the answer

Step-by-step explanation:

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