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

You can hear me, but you can't touch or see me.

What am I?

What has many keys but can’t open a single lock?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Decode the below four famous ciphers:

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

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Which digit occurred maximum times between the number 1 and 1000?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?