I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

You see me once in June, twice in November, and not at all in May. What am I?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Can you spot the man between the coffee bean in the picture below ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Can you count the number of triangles in the given figure?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?