If tan a = √3 + 2, then the value of tan a - cot a is
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If 'P' means '+', 'Q' means 'x', 'R' means '÷', and 'S' means '', then 44Q9R12S6Q4P16=?
Which one of the following oxides of Nitrogen is also known as Laughing Gas?
Common salt (NaCl) is made up of
A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Levity
The order of rotational symmetry of a rectangle is
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
BC, OP, DE, QR, ?
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