Can you Find and name the hidden bird in the picture below ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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?

My location can be determined by the below rebus.
So where am i ?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Prove that the below maths equation is true.

8 + 8 = 91