Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

How many times do a clock's hands overlap in a day ?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

What has one eye, but can’t see?

What word is pronounced the same if you take away four of its five letters?

What is next number in the pattern below:

131 517 192 123 ?

Can you Find and name the hidden bird in the picture below ?

Complete the table series riddle by finding the number that can replace "??".

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?