Which Number is the odd one out?

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

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Move four matchsticks to the below square to form three squares?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

: Flipkart offers a Flat 65% discount
: Amazon offers a 10% discount over and over again.
: Shopclues offers RS.45,000 off.

If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?