Questions

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC 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'.
The student asked me if (1)/ I knew that Kalidas was the greater (2)/ than any other poet. (3)/ No Error (4)

The presence of air bubble in blood stream is dangerous to life because

Which of the following compounds has a double bond?

In human beings, the respiratory pigment is

"Population control and family planning" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

Which of the following Five Year Plan can be strategically associated with the Green Revolution?