What is the name of ecologically clean rocket developed by Russia based space research center?
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An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
The Kochi-Muziris Biennale held in Kochi, Kerala is an exhibition of which of the following ?
In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.
In the following question, select the odd letter/letters from the given alternatives.
What does SPM in environment mean?
Select the odd word/letters/number/number pair from the given alternatives.