I am white when I am dirty, and black when I am clean. What am I?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

The Little ant seems to be always confused. Do you know why?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?