Denitrification is the microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen, principally nitrous oxide (N₂O) and nitrogen (N₂).
If sin (A + B) = cos (A + B), what is the value of tan A?
Three circle of diameter 14 cm each, are bound together by a rubber band, as shown in the figure. The length of the rubber band, in cm, if it is stretch...
The total area of the piece of glass square 1296 Cm² is. Which is placed above a table. The width between the table and the edge of the glass piece is ...
A rectangular shaped pit of length 18 ft and breadth 16 ft is made in a rectangular field of length 64 ft and breadth 52 ft. The earth dug out of the p...
The area of a square field is 800 sq m. How long in seconds will a lady take to cross the field diagonally at the rate of 4.8 km/hr?
The perimeter of a square field is 16 cm more than the perimeter of a rectangle. The length of the rectangle is 72 cm which is 300% of its width. If a s...
Which of the following two will provide more volume?
1.A cuboid of edges 6 cm, 8 cm, and 10 cm.
2. A cube of edge 8 cm.
The sum of the length, width, and height of a cuboid is 30 cm. If the length of the diagonal of the cuboid is 25 cm, find the total surface area of the ...
A solid metallic sphere of radius 21 cm is melted and recast into a number of smaller cones of height 7 cm and base radius 3 cm. How many such cones can...
