Question
Estimates of National income in India is prepared by
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The Central Statistics Office (CSO) is a governmental agency in India under the Ministry of Statistics and Programme Implementation responsible for co-ordination of statistical activities in India .
What is the minimum distance one has to stand at from a wall to hear an echo?
What type of immunity is provided by vaccination?
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
Atomic size refers to the _______ of an atom.
Which one of the following vitamins is synthesized in our own skin?
`Short-sight' in human eye can be corrected by using proper –
What is the main cause of emphysema? Â
What is the pH of pure water?
Which of the following statement is correct?
I. Speed of sound in steel is more than the speed of sound in glass.
II. Speed of sound ...
Which one of the following diseases in humans can spread through air?