A boy cut a sector containing an angle of 1400 from a circle of radius 15 cm and he folded the sector into a cone. What is the curved surface area of the cone (∏=22/7)
A fraction is such that if the numerator is multiplied by 2 and the demoniator is reduced by 4 we get 10/3, but if the numerator is increased by 6 and the denominator is doubled we get 11/14, what is the fraction
Value of √3,√3,√3,√3,....
a,b,c are said to be in Harmonic Progression if their reciprocals 1/a, 1/b, 1/c are in Arithmetic progression. What would be the value of x for which 3, x, 6 are in Harmonic Progression.
Sum to n terms of an Arithmetic progression is 2n2+n then eighth term is
What should come in place of the question mark in the following series
24, 536, 487, 703, 678, ?