Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

What goes up but never comes down?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

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

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=