Which Number is the odd one out?

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

You can hear me, but you can't touch or see me.

What am I?

I am sure no one can have two things for dinner. what are they?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Replace the question mark with the correct number.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Count the number of triangles in the given picture.

Can you guess the name of the month by looking the below rebus ?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700