Exams

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

The radii of two concentric circles are 68 cm and 22 cm. The area of the closed figure bounded by the boundaries of the circles is

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

Sewing machine was invented by

Reflection of the point (­1,4) in the x­axis is

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The main cause of global warming is the human being's careless activities.
Q: There are many causes of the global warming which affects human lives and health in many aspects.
R: Fossil fuels burning for many reasons are highly responsible to increase global warming.
S: Ever increasing human population is demanding more resources to live easy and healthy life such as land to live and for crop cultivation, technological growth for comfort and to deal with increasing temperature of atmosphere, etc.

The ratio of change in velocity of a body to the total time taken by it is its __________________.

London is the Capital City of