I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can it be possible to build a house that has all its four walls facing towards the South?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Remove two matchsticks to make the below equation correct.

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

How is a fly different from a mosquito?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.