What's the only room from which no one can enter or leave

What does this mean?

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My location can be determined by the below rebus.
So where am i ?

Out of four images which one is the odd one out?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

What does this simple rebus mean?

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

There is something which you can be arrested for attempting but not for successfully completing.