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?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What does this mathematical rebus means ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Can you move 2 matchsticks to form four equal sized squares.

81 x 9 = 801. What must you do to make the this equation true?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

How many letters are in the alphabet?