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CBSE Questions

Total Questions 9982
What is the definition for national park?
answers of ex 3.4 .
what is tsunami ? what are the causes of tsunami?
classification of matter?brief explation of the chapter? and about imrortant terms?
without using the trigonometric tables,evaluate the following:COS square 20+cos square 70divided by sec square 50-cot square 40+2cosec square 58-2cot58tan32-4tan13tan37tan45tan53tan77?
two poles of hight 10m and 15m stand vertically on a plane ground.If the distance between their feet is 5root3,find the distance between their tops?
evaluate: -tan theta * cot(90-theta)+sec theta*cosec(90-theta)+sin square 35 degree+sin square 55 degree divided by tam 10 degree*tan 20 degree*tan30 dehree*tan70 degree*tan 80 degree
if sec theta=x+1/4x then prove that sec theta + tan theta=2x or 1/2x
what is a univeres
what are the developments brought by the British in India?
give reasons: *The particles of a solid have the storngest intermolecular forces.
why are nylon clothes not preffered during summer?
what are the important buildings built by the British in India?
what is static friction?
Explain Caste in Politics and Politics in Caste .
What are the caste inequalities in India ?
How many days taken to end the second world war
What is the differences between National Park and Santury.
give reasons for the following: a) the particles of a soild have the strongest intermolecular forces. b) hot potter kept in a plate cools down faster than when kept in a glass.
define water source