Questions

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

If cos4θ-sin4θ=13 then the value of tan2θ is

Zeolite is

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

My husband has listed me as the _______________ of his life insurance policy.

The uppermost layer over the earth's surface is called the ______.

Blood is red in colour due to the presence of __________

In Animal Kingdom classification, which of the following is not a Phylum?

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