During which month do people sleep the least?

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

Which of the below owl is odd one out?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?