Question
The batting average for 40 innings of a cricket player
is 50 runs. His highest score exceeds his lowest score by 172 runs, If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player isSolution
let the score of lowest inning = x score of highest inning = x+172 avg of 38 innings = 48 total score of 38 innings = 48 × 38 = 1824 total score of 40 innings = 50 × 40 = 2000 x+x+172 = 2000 – 1824 2x+172 = 176 2x= 4 x=2 highest score of the player = 172+2 = 174
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 47916Ï€ cm3 inside it. Â
A field is in the shape of a trapezium, where the distance between the two parallel sides is 60 metres. One of the parallel sides measures 30 metres, an...
The diagonal of the floor of a rectangular closet is 7.5 ft. The shorter side of the closet is 4.5 ft.
What is the area of the closet in square feet?
12 spheres of the same size are made by melting a solid cylinder of 12cm diameter and 12cm height. The Diameter of each sphere is.
The area of a regular hexagon with side as 6 cm is
The length, breadth and height of a room are in the ratio 7:5:2. If the breadth and height are halved while the length is doubled, then the total area o...
Two right circular cones of equal height of radius of base 3cm and 4cm are melted together and made into a solid sphere of radius 5 cm. The height of th...
A frustum of a cone has a lower base radius of 12 cm, an upper base radius of 8 cm, and a height of 15 cm. Find the total surface area of the frustum.
A right circular cylinder having total surface area of 16940 cm2 is immersed in a vessel completely filled with water. If the height of the c...