The least prime is 1         (b)   2         (c)  3       (d)  5

The least prime number is 0 (b) 1 (c) 2 (d) 3

The least prime number is (a)1 (b)2 (c)3 (d)5

The ratio of LCM and HCF of the least composite and the least prime numbers is (a) 1:2 (b) 2:1 (c) 1:1 (d) 1:3

The ratio of LCM and HCF of the least composite and the least prime numbers is (a) "1:2," (b) "2:1.," (c) "1:1.," (d) "1:3"

A number is selected from numbers 1 to 25. The probability that it is prime is (a) 2/3 (b) 1/6 (c) 1/3 (d) 5/6

The mean of first five prime numbers is (a) 5.6 (b) 5.5 (c) 5.4 (d) 5.2

The least value of 2sin^2theta+3cos^2theta is 1 (b) 2 (c) 3 (d) 5

The least value of 2sin^2theta+3cos^2theta is 1 (b) 2 (c) 3 (d) 5

The sum of the exponents of the prime factors in the prime factorisation of 196, is (a) 1 (b) 2 (c) 4 (d) 6

The sum of the exponents of the prime factors in the prime factorisation of 196, is (a) 1 (b) 2 (c) 4 (d) 6