Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

People make me, save me, change me, raise me. What am I?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?