Mathematics Tes...

The eccentricity of the hyperbola y² - 4x² = 4 is

If n A.M`s are introduced between 3 and 17 such that the ratio of the last mean to the first mean is 3 : 1, then the value of n is

Akshay is planning to throw a birthday party at his place. In how many ways can he invite one or more of his five friends and seat them at a circular table?

A series in G.P. consists of an even number of terms. If the sum of all the terms is 5 times the sum of the terms occupying odd places, then the common ratio will be equal to

A cricket team of eleven is to be chosen from among 8 batsmen, 6 bowlers and 2 wicket-keepers. In how many ways can the team be chosen, if there must be at least four batsmen, at least four bowlers and exactly one wicket-keeper?

Which of the following is possible, if x² - 5x + 6/x² - x + 1 > 0?

lf 7^log₇(x² - 4x+5) = x -1, then x can have the value(s)

Which of the following quadratic equations has the same roots, but has the opposite sign to the roots of 2X² - 7X + 3 = 0?

The distance of the points `θ` on the ellipse x²/a² + y²/b² =1 from a focus is

The 4 term of a H.P is$\frac{3}{5}$and 8th term is$\frac{1}{3}$, then its 6th term is