Let side of 3 squares be a, b and c cm respectively. => a = 28/4 = 7 cm => b = 36/4 = 9 cm => c = 48/4 = 12 cm Perimeter of new square = a + b + c = 28 => side = 28/4 = 7 cm Required area = side2 = 72 = 49 cm2.
The Drobish-Bowley price index formula is the -
Residual method is used to measure -
From a population containing 30 units, 5 units are drawn by simple random sampling without replacement. The probability same specified unit included in ...
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...In 1949, the Chairman of National Income Committee was -
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...
The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
The main aim of agricultural census is -
Which of the following is a second-order condition of short-run equilibrium of firm under perfect competition?
A population is said to be stationary, if -
