Question
Which of the following is an elementary substance which
is a good conductor of electricity but is not a metal?Solution
Graphite is a non- metal and it is only non-metal which is a good conductor of electricity. Option 1 & 2 are metals. Phosphorus is also a non-metal but it is poor conductor of electricity.
The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
Which of the following statement is not true?
The Drobish-Bowley price index formula is the -
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...The variance of first n natural numbers is -
Which of the following methods to measure seasonal variations comparatively utilizes the given data less?
As per the Agricultural Census 2015-16, total number of operational land holdings in Rajasthan was -
Which of the following is a second-order condition of short-run equilibrium of firm under perfect competition?
Which of the following is not true for geometric mean?
From a population containing 30 units, 5 units are drawn by simple random sampling without replacement. The probability same specified unit included in ...