Questions

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Beguile

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Once ______________, it is that time of the year when the examination results season may be just ending and the admissions season is in progress, and marked by a _________________ of two contradictory voices — often from the same people — that rose to deafening ____________ from April to May when the results of various school boards _________________. The first voice __________________ those who succeeded and did wondrously well.

rose to deafening ____________ from April to May

When was Guru Nanak Dev born?

The slope of the line passing through the points (-5,1) and (x,-4) is -5/8. Find x.

The book entitled, 'Playing it my way' has been authored by

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

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