Which of the following is not a probability sampling technique?
In Probability sampling every population unit has a known (not necessarily equal), non-zero probability of being selected in the sample while in non-probability sampling some population units have no chance (zero probability) of being selected.
A well with 20 m inside diameter is dug 10 m deep. Soil taken out of it has been evenly spread all around it to a width of 30 m to form an embankment. F...
18 × 15 + 86 – 58 = ? + 38
A tank whose length, width and height are 23 metres, 20 metres and 12 metres respectively is completely filled with juice. If the juice costs Rs.5/m
Determine the expense incurred for enclosing a rectangular garden with dimensions of 60m in length and 45m in width, at a rate of Rs 15/meter.
The cost of fencing a rectangular field at the rate of Rs. 8/metre is Rs. 560. If the length of the field is 11 metres more than its breadth, then find ...
Perimeter of a square and circumference of a circle are in the ratio 6:11, respectively. If area of the square is 36 cm2, then find the radiu...
If the 4-digit number x67y is exactly divisible by 9, then the least value of (x + y) is _____.
The income of a person is Rs.15000 and his expenditure is Rs.11000. In the next year his income and expenditure are increased by 8% and 16% respectively...
In a division the quotient is 12, the divisor is 15 and the remainder is 7. What is the dividend?
What is the area of a regular hexagon of side 6 cm?