There are 6 canidates and a voter has to vote for any two of them, the required number of ways is...? Mcqs

There are 6 canidates and a voter has to vote for any two of them, the required number of ways is...?

(A) 5

(B) 10

(C) 15

(D) 20

Source: This question is taken from the District Zakat Officer BS-17 PPSC past papers