I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Find the last number in the series below:

voN luJ yaM raM ---

What am I?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

What is both possible and impossible at the same time?

Count the number of squares in the picture below.

What kind of band never plays music?

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

What Word am I Looking For ?

What jumps when it walks and sits when it stands?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?