Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Can it be possible to build a house that has all its four walls facing towards the South?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I have Rs.50 and I spend it in the way as below.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?