You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Replace the question mark with the correct number.

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Can you tell a 3D object that has just two surfaces?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

A devotee visits 9 temples when he visits India. All these nine temples have one thing in common - there are 100 steps in every temple. The devotee puts the Re.1 coin after climbing up every step. He does the same while climbing down every step. At each temple, the devotee offers half of his money from his pocket to god. In this way, his pocket becomes empty after he visits the 9th temple.

Can you calculate the total amount he had initially?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

what does the below rebus means?