Questions

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

Chords PQ and RS of a circle extended externally intersect at point T. Length of the segment PT, if lengths of QT, RT and ST are 9 cm, 18 cm and 6 cm respectively, is

Name the elements that determine the weather of a place.

Instrument for measuring wind velocity is called

City with Most Billionaries in the world______

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
The vilest of the thing that can be done by a person is to ill-treat dogs and other defenseless animals.
i. vile things that can be done by persons.
ii. vilest things that can be done by a person.
iii. vilest thing that can be done by a person.

Choose the word that best defines the given phrase‘The identification of a disease by its symptoms’