What has no start, end, or centre?

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?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

How many times do a clock's hands overlap in a day ?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

How many letters are in the alphabet?

Can you find out the remainder when 3^300 is divided by 5?