Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What does this mathematical rebus means ?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

Find the value of "?" in the ball picture Riddle below:

Count the number of lines in the image below ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What number do you get when you multiply all of the numbers on a telephone's number pad?