In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Senseless talk or writing
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A lens has a power +2.0 D. The type of lens and its focal length will be
The SI unit of weight is a
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 diameter of the reflecting surface of a spherical mirror is called a/an
Which of the following statements is correct about the President of India ?
Mount Semeru, an active volcano, located in
On 29 September 2017, SEBI allowed Sovereign wealth fund and other long term Foreign Portfolio Investors (FPIs) to buy corporate debt up to ______ in infrastructure sector.