Questions

The theory behind stars twinkling is that

What is the name of the probe to be launched by NASA in 2018 to explore the Sun’s outer atmosphere?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Chink in one's armour

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.

It is obviously wrong as the cost of school uniform, books and stationery, and transport, ________ all are under the monopoly of the school, are not included. ______________ private schools want additional money for special occasions like festivals, picnics, ______________ and projects. And they often recommend tuition for the children. None of this ______________ in this cost calculation. However, the family __________ this burden and these items add significantly to the revenue of private schools.

______________ and projects.

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 

Which of the following represents the pair of sex chromosomes in women?

Human blood platelets releases ___ which helps in clotting of blood.

If the fixed costs of a factory producing candles is Rs 20,000, selling price is Rs 30 per dozen candles and variable cost is Rs 1.5 per candle, what is the break-even quantity?