An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What does the below image rebus riddle means ?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Make a sentence consisting of three words that have the whole alphabet.

what does the below rebus mean?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Complete the table series riddle by finding the number that can replace "??".

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?