Questions

The most productive ecosystem in the biosphere is

Of 1345 people who gave blood at a blood bank, 247 of them had high blood pressure. What is the probability that one of these people who gave blood did not have high blood pressure?

Probability and statistics

The reflector of a search light is a :

Why does a cannon recoil after firing ?

The Himalayas is the example of ____

Find the angular elevation of the sum when the shadow of a 15m long pole is 152meters

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :At the age of eighteen Gandhi went to college, but remained for only part of the year.
S6:This was against his religion, and most of his relatives were against his going.
P:Soonafter this, he was advised to go to England to study tobe a lawyer.
Q:Studies did not interest him and he did not do well.
R:It was difficult for him to leave India and go to a foreign land where he would have to eat and drink with foreigners.
S:This would not be easy.

The proper sequence should be 

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P: Most of them are combinations of hydrogen and carbon in varying proportions.
Q: Crude mineral oil comes out of the earth as a thick brown or black liquid with a strong smell.
R: It is a complex mixture of many different substances, each with it's own individual qualities.
S: Such hydrocarbons are also found in other forms such as bitumen, asphalt and natural gas.