What country can make you shiver?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Can you count the number of triangles in the given picture?

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?

The more it dries, the wetter it becomes. Can you tell what it is?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Our product and our sum always give the same answer. Who are we?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What am I?