Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What does below Rebus say?

XLR8

What has 88 keys?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Which is the smallest number that you can write using all the vowels exactly once?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?