The measures of the four angles of a quadrilateral are in the ratio 1:2:4:5. What is the measure of the biggest angle?
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Intestinal bacteria synthesizes which of the following in the human body?
___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
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Apollo 11, the first artificial satellite that landed humans on moon, was launched in which year?
According to Article 75 of Indian Constitution, the ministers are collectively responsible to the Parliament in general and to the _____ in particular.
Which of the following is NOT an example of potential energy?
Who has been named as the first ever 'Kid of the Year' by TIME Magazine?