Questions

If cos(A-B) - cos(A+B) = x, then the value of x is

Select the missing number from the given responses.

In the following question, select the odd letters from the given alternatives.

Kalindi is another name of the river

CMOS is a

All of the following are true about ecosystems except

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Biographies of great men can also help us in learning good manners.
Q: Courtesy and politeness is the key to good manners.
R: No doubt these are little words but if they are spoken at the right moment and in a soft and sweet voice, they are bound to work wonders.
S: The use of polite words like "Sorry", "Please", "Thank you", "Beg your pardon", "Sir" etc. creates a healthy impact on the minds of others.