Exams

Select the missing number?

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'.
I was taken with surprise (1)/ when I saw (2)/ the beautiful Taj Mahal. (3)/ No Error (4)

The demand for a normal good increases with ________ in the consumer's income.

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 7, 42, 210, 840, ?

Select the odd word/letters/number/number pair from the given alternatives.

For what is Mohs scale used?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

Mercury, Venus, Earth, ?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Glaciers are receding and the temperature rise of the world is more than last year this time.
(II) Pollution level of the Earth is rising a lot resulting in avalanches.

Conclusions:
(I) Pollution is resulting into hike in temperature of the world.
(II) Pollution is the only reason for depletion of the nature.