What can you see in the middle of March and April that you can never see in any other month?

Replace the question mark in the picture below.

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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

The centre of the third figure is empty. What digit should fit inside?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

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?