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Hematite (Fe₂O₃) is one of the most abundant and economically significant iron ores. It is used extensively in the production of iron and steel, contributing to its prominence in the iron ore industry.
The Height of a metallic hollow cylinder is 28 cm and the difference between its inner curved surface Area and outer curved Surface area is 66cm². If t...
The ratio of length and breadth of a rectangular field is 5:9. If the total cost of surrounding it at the rate of Rs 7.50 per meter is Rs 4200, then fin...
PQRS is a cyclic trapezium where PQ is parallel to RS and PQ is the diameter. If ∠QPR = 40° then the ∠PSR is equal to:
In a rectangular floor of length and breadth of 21 metres and 6 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
Perimeter of a square shaped plot is 96 metres and the area of a rectangular plot is 65% more than that of the square shaped plot. Find the area (in m
The radius of the two cylinders is in the ratio of 1: 4 and their heights are in the ratio of 4: 3. Their volumes will be in the ratio.
The area of a rectangular field is 24% of the area of a square field with a perimeter of 80 meters. If the rectangular field has a perimeter of 40 meter...
In a rectangular floor of length and breadth of 20 metres and 8 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the co...
If tan A = √5 – 2, then the value of tan A - cot A = ?
In measuring the sides of a rectangle, there is an excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is