Question

1.
A man wears socks of two colours - Black and brown. He has altogether 20 black socks and 20
brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he
take out to be sure that he has a matching pair?
(A) 3
(B) 20
(C) 39
(D) None of these
Explain in hindi​

Answer 1

Answer:

b option is correct because 20black colours