Which is the smallest number that you can write using all the vowels exactly once?

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?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What kind of tree can you carry in your hand?

Why is Saturday stronger than Monday?

I add 5 to 9 and get 2. The answer is correct, so what am I?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

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?