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In 1964 after China carried out its first nuclear test, it pledged a no nuclear first use policy. These policies are generally declaratory in nature and there is no diplomatic arrangement in place to either verify or enforce it.
How many spherical lead shots each of diameter 8.4 cm can be obtained from a rectangular solid of lead with dimension 88 cm, 63cm, 42 cm(take π 22/7)?
The lateral surface area of frustum of a right circular cone, if the area of its base is and the diameter of circular upper surface is 4 cm and slant he...
The side of a square is equal to the perimeter of an equilateral triangle of area 196√3 cm2 . Find the area of the square?
The common ratio of a geometric sequence is 3 and the 4th term is 9. What is the first term of the sequence?
The perimeter of a rectangular field is 70 metres and its area is 100.5 m2 . What is the length of the diagonal of this field?
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 234 cm. If each side of a square is 25% more than the brea...
ABCD is a rectangle with AB = 12 cm and BC = 8 cm. O is the centre of a circle touching the three sides AB, BC, and CD of the rectangle ABCD. Find the a...
The length of a plot is three times its breadth. A playground measuring 150 square metres occupies half of the total area of the plot. What is the lengt...
The area of a regular hexagon with side as 6 cm is
The outer radius of a hollow metallic spherical ball is 12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal use...