Questions

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

Which of the following is not correctly paired?

According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form acoherent paragraph.

Rest assured that water

A-stop plunging if there are too

B-many people around

C-in the Nohkhalikai falls will not

In mammals, an important role of excretion is played by________

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

FORLORN