Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Can you find a five letter word that is left with only two letters if one is removed?

Can you solve below mathematical equation?

2^1234 - 2^1233

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

what does the below rebus means?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.