Exams

If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm2) of curved surface areas of all small spheres?

If 4(x + 1) - 3 < 3 - x < 2x + 5; then the value of x is

In terms of size, Venus ranks no. ___ in our Solar System.

Indian Constitution has how many Articles?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Nitrogen fixation, Ammonification, Nitrification, ?

The Group of Monuments at Hampi is an important ______________ centre?

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?