Exams

Headquarters of International Gas Union (IGU) located in

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

Mirages are formed primarily due to ___ of light.

Choose the pair which is related in the same way as the words in the first pair from the given choices.

NESTS : BIRDS :: ____ : LION

Mechanical energy is the sum of

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The preacher challenged hundreds of thousands of young people who gathered in a ___________ Polish meadow to reject being a "____________" who retreats into video games and computer screens and instead engage in social activism and politics to create a more just world. __________ his speech with ______________, the 79- year-old pope, despite a long day of public appearances, addressed his eager audience with enthusiasm yesterday on a warm summer night. Pope Francis spoke of a ______________ that comes from merely seeking convenience, from confusing happiness with a complacent way of life that could end up depriving people of the ability to determine their own fates.

"____________" who retreats into video games and computer screens

What is the sum of all prime numbers between 60 and 80?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

I said to my friends, "let us go to a picnic for a change".