What Deficiency does the below rebus represent?

VIT_MIN

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Count the Triangle in the figure given below:

Solve below rebus puzzle?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

If two's company, and three's a crowd, then whats four and five ?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

What does a man do only once in his lifetime, but women do once a year after they are 29?