How do you go from 98 to 720 using just one letter?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Find the number of squares in the below-given picture.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

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?