Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What English word has three consecutive double letters?

Which is the rope you never skip with?

How many triangles can you find in this given picture?

How many times can you subtract the number 5 from 25?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?