Questions

α and β are the roots of the quadratic equation x2 – x – 1 = 0. What is the value of α8 + β8?

Absolute Zero is defined as

Which of the following represents an ion?

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
Children like to play all day long.

If price of an article decreases from Rs P1 to Rs 190, when quantity demanded increases from 5000 units to 5200 units, and if point elasticity of demand is -0.8 find P1?

The maximum fixation of solar energy is done by

Blood is red in colour due to the presence of __________

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

But the war did not cease; though friend and foe alike were almost drowned in blood. It seemed as powerful as eternity, and in time Tony Vassall too went to battle and was killed. The country gave Patience a widow's pension, as well a touching inducement to marry again; she died of grief. Many people died in those days, it was not strange at all. Nathan and his wife got so rich that after the war they died of overeating, and their daughter Olive came into a vast fortune and a Trustee.

From this passage we learn that Tony Vassal was