Exams

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

Three cubes of iron whose edges are 6cm, 8cm and 10cm respectively are melted and formed into a single cube. The edge of the new cube formed is

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’.

When we are able to stop, pause and think (1)/ more about our actions, words and thoughts, we begin (2)/ to see the cause and affect more clearly. (3)/ No error (4)

The volume of a right circular cone, whose radius of the base is same as its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

Which was the capital of the first Sri Lankan kingdom?

If tanα = 2 - 1, then the value of  tanα - cotα = ?

Who along with Bhagat Singh was the main accused in Assembly Bomb Case?