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Some I are H (I) → Conversion → Some H are I (I) + All I are J (A) → Some H are J (I) → Conversion → Some P are H (I). Hence conclusion I and II follows.
If x1 and x2 are the roots of the equation 2x2 + 3x – 9 = 0, then the equation which has the roots 1/x1 and1/x2 is:
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 56 m, then find the area (in m2) of the rectangle.
The lateral surface area of a cube is 196 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 3 ...
The volume of a cuboid whose length, breadth, and height are in the ratio 5:3:2, respectively, is 3,000 cm³. Find the lateral surface area of the cuboi...
Perimeter of a square is equal to the perimeter of a circle that is 880 cm. Find the ratio of the side of the square to the radius of the circle.
If the radius of a spherical ice cream scoop is 10 cm, then find the volume (in cm³) of the ice cream scoop. (Use π = 3.14)
The population of a town is 64000. It increased by 10% during the first year. During the second year, it decreased by 25% and increased by 5% during the...
Monthly income of A is Rs. 9600 and he saves 38% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is inc...
The perimeters of two similar triangles, ∆ PQR and ∆ XYZ are 48 cm and 24 cm respectively. If XY = 12 cm. then PQ is: