In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Spot 5 differences in two Christmas tree below:

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Count the squares in the matchstick puzzle below?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

I have no life, but I can die. What am I?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?