The teacher told the students that the planets _____________ around the Sun.
Here, since it is a universal truth, simple present tense is used even in the reported speech. The teacher told the students that the planets revolve around the Sun.
Steel is used to make a hemispherical bowl that is 0.37 cm thick. The bow's inner radius is 6 cm. Find the bowl's outside curved surface.
The height of a right circular cone is 35 cm and the area of its curved surface is four times the area of its base. What is the volume of the cone (in ...
A paper is in the form of rectangular piece PQRS in which PQ = 40 cm and QR = 28 cm. A semi-circular portion with QR as diameter is cut off. Find the ar...
Perimeter of a square and circumference of a circle are in the ratio 15:11, respectively. If area of the square is 225 cm2, then find the rad...
A sum of Rs. 21500 was lent partly at 4% p.a. and remaining at 6% p.a. simple interest. The total interest received after 3(1/2) years is Rs. 3521. The ...
A rectangular tank is 60 meters long and 40 meters deep. If 1800 cubic meters of water is drawn off the tank, the level of the water in the tank goes do...
If the area of square is 196 cm² and the breadth of rectangle is 25% more and the length is 40% more than the side of the square, then find the the a...
Some students (only boys and girls) from different schools appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed the exam. The numb...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 13718 cm³ . Find the perimeter of the rectangle if its length is 1...
An army of 2100 men has provision for 50 days. After 10 days due to injuries some of them left and the food were now enough for next 50 days for remaini...
