Exams

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

Irritating inconvenience

If ab+ba = -1, then the value of a2b-b2a is

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

Mankind does not know this

The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?

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

For three months, I have had a ______________headache.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Whether it (were balancing) the budget or the day-to-day menu, grandma was the expert.

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

If (x+a) is the H.C.F of 2x2+5x-12 and x2+x-12 then find the value of a.