Exams

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

Which component of the blood transports food, CO2 and nitrogenous waste?

Which of the following compounds has a double bond?

The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

What was the Gross Domestic Product (GDP) for India in 2016-17 Financial Year?

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Knight: Rook: Bishop

In the following question, correct the equation by interchanging two signs.

9 x 3 + 8 ÷ 4 – 7 = 28