What Deficiency does the below rebus represent?

VIT_MIN

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

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

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Why is the Hole below a Lock?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

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

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Find the smallest sentence with all the English alphabet.