why number 8549176320 is one of a kind?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Different lights make me strange by changing me into different sizes. What am I?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Which famous Hollywood movie name is hidden in the below rebus?

In the given picture, in how many ways can you read the word "Tiger"?