What is harder to catch the faster you run?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

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?

What is the word or phrase?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Solve below rebus puzzle?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Which number should replace the question mark?