Can you count the number of triangles in the given figure?

Which flower has two lips?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you find out the number that should replace the question mark with a valid reason?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Decode this picture on T-Shirt and tell what it says ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

How many letters are in the alphabet?