I am an odd number. Take away a letter and I become even. What number am I?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

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

What am I?

Decode the movie name from the below picture?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What has one eye, but can’t see?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

who is silent in the parliament?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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