A rectangular swimming pool has a length of 12 m, a width of 6 m, and a depth of 2 m. The pool is to be painted (bottom floor and the four walls). If the cost of painting per square meter is Rs. 25, what would be the total cost incurred in painting the pool?
correct answer:-5
Find the internal angle of a polygon with 35 diagonals.
correct answer:-4
What would be the area of a triangle formed by the medians of an equilateral triangle that has a side length of 12 cm?
correct answer:-3
The dimensions length, breadth and height of a wooden plank are in the ratio 4:5:7, and its surface area is 20086 square meters. Find the length of the plank.
correct answer:-3
In measuring the side of a square, an error of 5% in excess is made.
The error % in the calculated area is:
correct answer:-2
A rectangular field of dimension $$180m \times 105m$$ is to be paved by identical square tiles. Find the number of tiles required to cover the field fully leaving no area unpaved.
correct answer:-2
A well with 7 m inside diameter is dug 22.5 m deep and the earth taken out of it has been spread around it to a width of 10.5 m to form an embankment. Find the height of the embankment so formed .
correct answer:-2
