Which flower has two lips?

Can you find the hidden animal in the picture below?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Count the number of triangles in the given picture.

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

You need to arrange three 7 and mathematical symbols to form number 1?

Find the smallest sentence with all the English alphabet.

What does below chemistry rebus means?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?