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CBSE Class 10 Free Doubts and Solutions

CBSE - X - Mathematics

the following fig shows a sector of a circle of radius r cm containg an  angle theta. .the area of sector is A cm² and the perimeter of the sector is 50 cm .prove that i) 360/pie (25/r - 1) ii) A=25r - r²

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Asked by CHIDAMBAR 12th December 2018, 11:00 AM
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CBSE - X - Mathematics

If a+c+e=0 & b+d=0,then find the zeroes of the polynomial a x to the power of 4 plus b x cubed plus c x squared plus d x plus e

Asked by agraharianiruddha 11th December 2018, 6:59 PM
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CBSE - X - Physics

Q.1. What is the function of aqeuous & viterous humour? Q.2. What is persistence of vision?

Asked by agraharianiruddha 11th December 2018, 6:48 PM
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CBSE - X - Civics

Why shouldn't politics and caste mix together?

Asked by tamesrocksrussell 11th December 2018, 5:58 PM
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CBSE - X - Civics

Are democracy based on political and economic al equalities? Explain. 

Asked by dgthakur911 11th December 2018, 10:15 AM
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CBSE - X - Geography

Describe the significant role played by different kinds of roads in India. 

Asked by guptaabhinav0809 10th December 2018, 11:53 PM
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CBSE - X - English-TBS

Hawking believes that man cannot live on other planets in the future  

Asked by sureshbombale403 10th December 2018, 8:59 PM
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CBSE - X - Mathematics

If A and B are roots x^2 - 6x + 4 = 0 then find the value of [(A-2)^16 + (B-6)^8]÷A^8.

Asked by acv27joy 10th December 2018, 1:16 PM

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CBSE - X - Geography

Explain the needs of efficient means of transport  for the fast development in 3 points. For 5 marks.

Asked by guptaabhinav0809 10th December 2018, 12:07 AM
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