Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is? Select the correct option
A) 1/6
B) 1/7
C) 1/4
D) 1/1
E) 1/9
A leap year has 52 weeks and two days   Total number of cases = 7   Number of favourable cases = 1   i.e., {Saturday, Sunday}   Required Probability = 1/7.Answer:1/7
<result>B</result>
Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is?