Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is?	Choose the correct choice from the following options:
A) 1/8
B) 1/7
C) 1/0
D) 1/6
E) 1/1
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?