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?

What does the below image rebus riddle means ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

I am an odd number. Take away a letter and I become even. What number am I?

I have eight fingers and two thumbs but I do not live. What Am I?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

In which direction should the missing arrow point?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

What kind of band never plays music?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?