Question
Why does a large fire in the open appear to be fanned by
strong winds?Solution
A fire in the open seems fanned by winds because hot air rises and cooler air rushes in to replace it, intensifying the flames.
What will be the total surface area of a triangular pyramid whose sides are all 1 cm long?
If the area of square is 441 cm² and the breadth of rectangle is 20% more and the length is 50% more than the side of the square, then find the the a...
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 124 cm then find its area?
In the figure given below, PQRS is a parallelogram in which PN and PM are perpendicular to QR and RS, respectively. If RS = 81 cm, PM = 42 cm and PN = 5...
There is a carpet of length 20 m. How many small pieces of carpet, each of length 4 m, can be cut out of it?
The common ratio of a geometric sequence is 3 and the 4th term is 9. What is the first term of the sequence?
The volume of water measured on a rectangular field 400m `xx` 200m is 8000 . Find the depth (amount) of rain that has fallen.
The base of a right prism is a regular hexagon of side 5 cm. If its height is 12 √3 cm, then its volume (in cm²) is:
Ms. Hema invests Rs. 8000 for six months at 20% per annum compounded quarterly. The total amount she gets after 6 months is :
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