Mathematics
504 metallic cones, each of diameter 3.5 cm and height 3 cm, are melted and recast into a sphere. Find the diameter of sphere so formed.
Related Questions
For what value of n, the nth term of A.P. 63, 65, 67, ….. and nth term of A.P. 3, 10, 17, …… are equal ?
In the given figure, PQ is a chord of a circle with center O and PT is the tangent at point P. If angle QPT = 60°, then find angle PRQ where R is a point on the circle.
The following table shows a record of the weights, in kilogram, of 100 pupil. Find the mean weight.
Weight Number of pupils 50-53 15 53-56 18 56-59 20 59-62 25 62-65 16 65-68 6 Three coins are tossed once. Find the probability of getting :
(i) 3 heads
(ii) exactly two heads
(iii) atleast 2 heads.