up to 20,how many no. are odd and prime both?	Select:	A) 9	B) 5	C) 6	D) 7	E) 8

Rationale: we have to calculate it manually . odd 1,3 , 5,7 , 9,11 , 13,15 , 17,19 prime 2,3 , 5,7 , 11,13 , 17,19 common 3 , 5,7 , 11,13 , 17,19 total no . 7 answer d
Answer: D