What is the distance between the two foci of the hyperbola 25x2 - 75y2 = 225?
2√3 units
4√3 units
6√units
2√6 units
The standard form of the hyperbola equation gives the distance between foci as 2√3 units.
What is mean deviation about the median ?
What is the mean deviation about the mean ?
(a) Who among you has the answer? (b) Whom among you has the answer? (c) Whom amongst you has the answer? (d) Who amid you has the answer?
(a) When I would arrive, I will call you. (b) When I shall arrive, I will call you. (c) When I will arrive, I will call you. (d) When I arrive, I will call you.
(a) Although it was raining, we had the picnic. (b) Although it was raining, still we had the picnic. (c) Although it was raining, yet we had the picnic. (d) Although it was raining, even then we had the picnic.
(a) Hardly had I arrived at the airport than the plane departed. (b) Scarcely had I arrived at the airport when the plane departed. (c) Hardly I had arrived at the airport when the plane departed. (d) Scarcely had I arrived at the airport then the plane departed.