The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the mean, median and mode of the data. Or The median of the following dats is 525. Find the value of x and y Read More …
21 glass spheres each of radius 2 cm are packed in a cuboidal box of internal dimensions 16 cm x 8 cm x 8 cm and then the box is filled with water. Find the volume of water filled in the box.
From the top of a hill, the angles of depression of two consecutive kilometre stones due east are found to be 30° and 45°. Find the height of the hill.
In the adjoining figure, PQ=24 cm, PR=7 cm and O is the centre of the circle. Find the area of the shaded region.