How many times can you subtract the number 5 from 25?

what does this below rebus represent identXQQQQQME

What do you call a fish without an eye?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Name a key which is hardest to turn.

In the image given, you can find several triangles. Can you count them all?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you make four (4) nines (9) equal 100?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?