Exams

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

Two circles touch each other at point X. Two common tangents of the circles meet at point P and none of the tangents passes through X. These tangents touch the larger circle at points B and C. If the radius of the larger circle is 15 cm and CP = 20 cm, then what is the radius (in cm) of the smaller circle?

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'.

Our government has decided to strengthen the (1)/ States’ capacity to move away from a already (2)/ obsolete ‘one-size-fits-all’ approach. (3)/ No error. (4)

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 ?

One of four words is a class of which the other three belong. Identify the class.

Atul and Binay together complete a piece of work in 5 days. If Binay alone can complete the same work in 8 days, how many days Atul take to complete the same work alone?

Who is the only Indian economist to have won the Nobel prize?

Which country, on 25 October 2017 announced that it would be introduced a minimum wage for workers?