Question
Two pipes X and Y can fill a cistern in 21 hours and 24
hours, respectively. The pipes are opened simultaneously, and it is found that due to a leakage in the bottom, it takes 48 minutes more to fill the cistern. When the cistern is full, in how much time will the leak empty it if no pipe is open during that time?Solution
If x and y are two random variables and a, b, c, d are any numbers provided a ≠ 0, c ≠ 0, then correlation co-efficient between ax + b and cy + d is...
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...Which of the following is a second-order condition of short-run equilibrium of firm under perfect competition?
As per the Agricultural Census 2015-16, total number of operational land holdings in Rajasthan was -
Supply Curve is a part of -
Which of the following statement is not true?
Which of the following statement is false?
The main aim of agricultural census is -
The Drobish-Bowley price index formula is the -
A given data has mean = 6.5, median = 6.3 and mode = 5.4. It represents -
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