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No mobiles is a charger(E) + Some chargers are not phones(O) ⇒ No conclusion. Hence Conclusion I and II will not follow. No mobiles is a charger(E) ⇒ Conversion ⇒ Some chargers are not mobiles(O). Hence Conclusion III will not follow.
A maximum-size sphere is cut from a hemisphere of radius r. Find the ratio of the volume of the sphere to the hemisphere. Radius of Hemispher
What is the difference between (in m2) the area of a circular field of radius 28 metres and area of a rectangular piece of land having its di...
If the volumes of two cubes are in the ratio 343:64, then ratio of their edges is
A rectangular plot has its length and breadth in the ratio of 5:3. Aman riding a bicycle completes one round of this field along its perimeter at a spee...
The circumference of a circle is given as 220 m. What is the area of the circle? [Use π = 22/7]
Two identical cubes are joined together to form a cuboid. If each cube has a total surface area of 54 cm², what is the total surface area of the result...
Length and breadth of a rectangle are in the ratio 3:8. If the perimeter of the rectangle is 70 cm more than the breadth of the rectangle, then find the...
A wire is in the form of square with side 11 cm. It is bent to form a circle. What is the radius of the circle?