If 56M4 is completely divisible by 11, then what is the value of M?

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 :There is no doubt that the rules governing imports, manufacture and the use of pesticides need to be further tightened up.
S6:At the same time, better pollution control measures are needed to check the discharge of poisonous gases and chemicals by a host of other industries which are equally responsible for poisoning our world.
P:But a more practical and feasible approach is required to tackle this problem.
Q:No one can deny the importance of pesticides in our agriculture.
R:The proposed amendment is an attempt at doing this, but in the process it seems to have gone overboard in most cases.
S:Even today, nearly a fourth of our crop is lost due to pests and weeds.

The proper sequence should be 

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 :The bureaucrat and the social worker are men of totally different orientations and styles of functioning.
S6:The world will be a better place to live in if they learn a little from each other.
P:The other is considered to be a man ever on the move.
Q:He is portrayed as a man fond of rules above all other things.
R:The one is regarded as given to sedentary habits, doing a lot of paper work.
S:Driven by an urge to help others he is impatient with red tape and unnecessary delays.

The proper sequence should be

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 :Jumbo, the famous 3.3 metre elephant was born in Africa over a hundred years ago.
S6:Before his death in September 1882, he had been seen by over 20 million Americans.
P:After disembarkation in New York, he was taken in a procession to the place where he was to be kept.
Q:Another admirer was the famous American showman Barnum who bought it for a huge sum in February 1882.
R:Transported from his native land to London Zoo, he became a favourite of Queen Victoria.
S:He made his transatlantic voyage aboard SS Assyrian Monarch.

The proper sequence should be 

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 :History shows that the growth of civilization depends upon the gifts of nature, particularly the wealth yielded by the soil.
S6:In fact, most of the wars in the beginning of humanity’s history were fought for the gain of territory.
P:The more land they had, the more they were satisfied.
Q:The nature and the quality of the land they possessed were of great importance to them.
R:All ancient communities worked hard to produce food.
S:There was also a great desire among them to possess as much land as possible.

The proper sequence should be

What was invented by J. B. Dunlop?

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
I. All stars twinkle.
II. All satellites twinkle.

Conclusions:
I. Some stars are satellites.
II. Some stars twinkle.

In the following question, by using which mathematical operators will the expression become correct?
15 _ 3 _ 4 _ 20