Can you decipher the below rebus?

PBLUESAISNUERSES

Before Mount Everest was discovered, what was the highest mountain in the world?

What does this rebus means ?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Solve the mathematical equation in the picture below.

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?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Give it food and it will live; give it water and it will die.

Find the hidden tiger in the given optical illusion ?