Can you find out which number multiplied by itself will give the output as 12345678987654321?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

What is always in front of you but can’t be seen?

What does this rebus puzzle means ?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?