When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

If 21x = 79x, what is the value of x?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

What does this rebus mean?

O
N
C
E
TIME

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What do you see in the given picture?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Solve this riddle by finding the odd one out from the rest.

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?