Question
Which of the following satisfies the time and factor
reversal test?Solution
The correct answer is D
The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 9:7, respectively. If the area of the recta...
The diagonal of the square is 10 √ 2 cm. Find the diagonal of another square whose area is triple that of the first square.
The diameter of a circular field is equal to the side of a square field. If the total cost of fencing the circular field is Rs. 715...
The radius of a circle is x meters, and the side of a square is x + 5 meters. If the sum of the circumference of the circle and the perimeter of the squ...
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...
- If the lateral surface area of a regular tetrahedron is 432√3 cm², then find its volume.
The ratio of males and females in a zoo is 6:7 respectively and the percentage of children among males and the percentage of children among females are ...
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:
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
