Exams

How many atoms are present in one molecule of Ozone?

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

The bill of rights includes which of the following freedoms?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Keen interest or enthusiasm

The value of a machine depreciates at the rate of 20% per annum. If its present value is Rs 96000, then what was the value (in Rs) of the machine 2 years ago?

A sphere has the same curved surface area as a cone of vertical height 40 cm and radius 30 cm. The radius of the sphere is

Three solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recasted into a solid sphere. What will be the percentage decrease in the surface area?

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?