Improve the given sentence if necessary.

No sooner had he completed his first novel than he fell seriously ill.

Improve the given sentence if necessary.

This scooter is not efficient as it used to be; instead it is still a very useful machine.

Improve the given sentence if necessary.

Unless you are not very careful, you will run into debt.

Improve the given sentence if necessary.

I would rather have a noble enemy than a mean friend.

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 :A single device can heat fluids without requiring an electrical element.
S6:Because there is no electrical element, there is no risk of fire, so the system is suitable for dangerous environments.
P:A heat exchanger transfers heat from the central cavity to an air heater, a water heater or an industrial processor.
Q:It has a container like the crank case of a car’s engine, which contains the fluid to be heated.
R:Compression and friction at the nozzles heat the fluid so that the temperature in the central cavity rises steadily.
S:A motor and pulley insidethe container turn a rotor wheel, which in turn forces the fluid again and again through narrow nozzles into a central cavity.

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 :Iguanodon was one of the first dinosaurs to be scientifically described.
S6:This quadrupedal dinosaur lived about 70 million years ago and its fossils are found in many parts of England, Europe, Asia and North Afrcia.
P:These teeth formed a dental battery in which replacing teeth were constantly growing.
Q:The fore limbs were slightly larger than other members of its group known as Ornithischia.
R:Ithad numerous teeth in the sides of the jaws, arranged in rows.
S:It was about 40 feet in length.

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 :Don’t you think that the housefly is a nuisance?
S6:When you see a fly rubbing its legs together, it is just cleaning itself, and scraping off some of the material that has gathered there.
P:For ages that’s what man considered the fly to be –just a nuisance.
Q:It was discovered that these flies carried disease germs that cause the death of millions of people every year.
R:But now we know that the innocent-looking housefly is one of man’s worst enemies.
S:It makes an irritating buzzing sound; it annoys you when it crawls on your skin; and soon.

The proper sequence should be