1.1 In C#, a statement “a ? b : c” means
A) If a is true, returns the value of b, otherwise c
B) If b is true, returns the value of a, otherwise c
C) If a is true, returns the value of c, otherwise b
D) If c is true, returns the value of b, otherwise a
1.2 In C#, a statement “a ?? b” means
A) If a is null and b is null, returns a
B) If a is null, returns a, otherwise returns b
C) If a is null, returns b, otherwise returns a
D) None of the above
I wrote letters to four different people and wrote their
addresses on four envelopes. But while inserting each letter
into an envelope. I was careless. Either I put three letters
in right envelopes, or I put two letters in right envelopes
or I put one letter in wrong envelope, what did I do?
4 persons K L M N are initially at 4 corners of a square of
side d. each person starts movin with uniform speed v such
that K always moves directly towards L, L towards M, M
towards N, and N towards K, at what time will they meet???
along with your userid / name. ThanQ
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