O_er_t_o_

Complete the missing letters of the given word.

What has 88 keys?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What kind of band never plays music?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

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?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?