Question
In a village, number of males, female and children are
in the ratio of 3:5:7. If 90% of the males are literate, 80% of females are literate and 40% of children are illiterate, find the number of illiterate persons in the village.Solution
Since, total number of persons in the village is not given, we cannot calculate the number of illiterate persons in the village.
Each side of square βAβ is 6 cm less than that of square βBβ. The perimeter of a rectangle is 4 times the difference of the perimeters of the tw...
Measure of each interior angle of a regular polygon can never be?
Area of a rectangle is equal to the total surface area of a hemisphere having volume 5488 cmΒ³ . Find the perimeter of the rectangle if its length is 12...
- If the edge of the cube is increased by 100%, then find the percentage increase in the volume of the cube.
The length and breadth of a rectangle are increased by 30% and 40% respectively. The increase in the area of the resulting rectangle will be:
- The ratio of the length to breadth of a rectangular playground is 7:5. If the cost of fencing the playground at the rate of Rs. 4 per metre is Rs. 1920, th...
Three circles of radius 6 cm are kept touching each other. The string is tightly tied around these three circles. What is the length of the string?
The two parallel sides of a trapezium are 27 cm and 13 cm respectively. If the height of the trapezium is 8 cm, then what is its area in mΒ²?
Ratio of length to width of a rectangular field is 3:5. If the perimeter of the field is 160 metres, then find the area (in m2) of the field.
The height of a triangle is equal to the perimeter of a square whose diagonal is 6√2 m and the base of the same triangle is equal to the side of a...