Questions

Who invented the electrocardiogram (ECG)?

Which American of Indian descent has recently been appointed as the president of the US-Indian Business Council?

If + means division, ­ means multiplication, '÷' means subtraction, x means addition, and < means less than, then which of the following is false?

A statement is given followed by three inferences numbered I, II, and III. Consider the statement to be true even if it is at variance with commonly known facts. You have to decide which of the inferences, if any, follow from the given statement.

Statement: 

Donald Trump began the week facing accusations of treason over his embrace of Vladimir Putin and ended it with a middle finger to his many critics by inviting the Russian autocrat to the White House.

Inferences:

I. America and Russia are not allies.
II. No prior American President has ever
embraced a Russian counterpart.
III. Russian President, Vladimir Putin,
has been a long-time US enemy.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Her heart was(A)/pounding as he(B)/stopped front of her.(C)/No error(D)

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

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

at the drop of a hat

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?