What Deficiency does the below rebus represent?

VIT_MIN

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

I have branches, but no fruit, trunk or leaves. What am I?

Can you make a six-letter word using the letters N, A and B ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What does this rebus mean?

O
N
C
E
TIME

What begins with T, ends with T, and has T in it?

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

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

Which word does the below Plexor means ?