What is in seasons, seconds, centuries and minutes but not in decades, years or days?

81 x 9 = 801. What must you do to make the this equation true?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Which Burger Is Different in below image?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

What building has the most stories?

Can you find out who is the kidnapper in below Picture and why, Explain ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

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