Compressed natural gas (CNG) is a fuel gas made of petrol and it is mainly composed of which gas?
CNG is compressed natural gas which consists 85% of methane and rest 15% ethane, propane and butane. This gas is also known as Marsh Gas. It is a greenhouse gas.
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
Sum of first 10 terms of a GP is equal to the sum of the first 12 terms in the same GP. Sum of the first 15 terms is 31, what is the third term in the GP?
Mr. Vivek divides Rs. 1703 such that 4 times the 1st share, thrice the 2nd share and twice the third share amount to the same. Then the value of the 2nd...
Outer diameter of 20 cm long pipe is 25 cm. If the thickness of the metal in the pipe is 1 cm. Find the total surface area of the pipe?
A sphere is melted to form 81 identical cylinders. If radius of each cylindrical is 1/3rd of the radius of sphere and height of each cylinder...
tan(θ -14π) is equal to:
The ratio of length to breadth of a rectangle is 8:5. When the length and breadth of the rectangle is increased by 22% and decreased by 30% respectively...
Perimeter of a square is equal to perimeter of a rectangle, if area of square is 576 cm2 and length of rectangle is two times that of breadth...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
