___________ is a collection of architectural astronomical instruments, built by Maharaja Jai Singh II.
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It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:
Who is the author of "The Lowland"?
Acid Rain has pH value of
Metal oxides which react with acids as well as bases are called
What is the process of slow cooling of hot glass called?
When the demand for a good increases with an increase in income, such a good is called_______
A newborn human baby is fed with the first secretion called colostrum from mammary gland. What does colostrum impart?