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!!!

I have feet, but no legs. Which animal Am I?

What time is it when an elephant sits on a fence?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

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

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Count the number of triangles in the picture below:

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Which word does the below Plexor means ?