Exams

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

My mother (1)/ told me (2)/ don’t eat the junk food. (3)/ No error (4)

Two valves P and B can fill a sump in 37.5 minutes and 45 minutes respectively. Both valves are opened. The sump will be filled in just 30 minutes, if valve B is turned off after

Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?

Which of the following glows with special colour depending on the nature of gas in the fluorescent tube?

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in