Questions

In ∆ ABC, the height CD intersects AB at D. The midpoints of AB and BC are P and Q respectively. If AD = 8 cm and CD = 6 cm, then the length of PQ is?

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A man devoid of kind feeling and sympathy.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
Adam's ale

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

The Marathas surrendered their fort to the Mughals after the war.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At somebody's expense

Redistribution of income in a country can be brought about through