How many times can you subtract the number two from the number fifty?

What do you think with the below Picture ?

Which tank will fill first?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What jumps when it walks and sits when it stands?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)