Lungs are the primary organs of _________.
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15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?
From which of the following, is the GDP of a country not derived from?
The 'Father of Indian Space Program' is
The energy which we get from food is measured in
Who authored the book titled 'Jinnah often came to our House', which won the 2016 The Hindu Prize?
Gandhiji's 'Satyagraha' meant an attachment to the following two elements
If tan (5x - 10°) = cot (5y + 20°), then the value of x + y is