a lady buys some pencils for rupees 3 and an equal number for rupees 6 she sells them for rupees 7 each find the gain or loss percent
Question
Find the length of the major axis coordinates of vertex centricity coordinates of the foci equation of directrix and the length of the latest rectum of the following conics 4 x^2 25 y^2=100
The sum of first three terms of a gp is 13/12 and their product is -1.find their common ration and the terms
question no. 21 (1st part) and 10th one please!!
A ray of light is incident on one face of an isosceles prism at an angle of 60. If the angle of prism is 30 and light emerges out normally from the other face, find the refrective index of prism?
Find the area of a triangle whose vertices are given as (1,-1) (-4,6) and (-2,3)