What is the pH of water?
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Select the odd word/letters/number/number pair from the given alternatives.
If cos 240° = x, then value of x is
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
RQ, ST, VU, WX, ?
If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?
If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is
Security Council of the UN comprises of 10 non-permanent members and their tenure is____________
If 2x - 5y = 5 and 2x - y = 9, then x - y is ______.