I have Rs.50 and I spend it in the way as below.

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

What word begins and ends with an E, but has only one letter?

Count the number of triangles in the given picture.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

I make two people out of one. What am I?