Questions

Which of the following is not true of color blindness?

Calculate the time period (in seconds) of a sound wave of wavelength 2m travelling with a speed of 250 m/s.

Where is Zoroastrianism practiced?

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

We acted on a __________ impulse.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To cut off a branch, limb, or twig from the main body of a tree

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. The fame of Bacon as a creative writer rests mainly on his essays.
P. The term is derived from 'essai'.
Q. It may be perhaps desirable to write something on 'Essay'.
R. 'Essai' means experiment, attempt.
S. The essay covers an enormous range of composition.
6. In style the essay is often self revelatory and illustrative.

Pyranees forms the boundary between 

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