What goes up but never comes down?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Through your logical capabilities, can you make 7 an even?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Remove two matchsticks to make the below equation correct.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?