Board Paper of Class 10 2007 Maths (SET 1)  Solutions
(i) All questions are compulsory.
(ii) The question paper consists of 25 questions divided into three sections A, B and C. Section A comprises of 7 questions of two marks each, Section B comprises of 12 questions of three marks each, and Section C comprises of 6 questions of five marks each.
(iii) Use of calculators is not permitted.
 Question 1
Find the L.C. M. of x^{3} + x^{2} + x + 1 and x^{4} − 1.
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 Question 2
 Question 3
In an A.P., the sum of its first n terms is n^{2 }+ 2n. Find its 18^{th} term.
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 Question 4
In the following figure, two circles touch each other externally at C. Prove that the common tangent at C bisects the other two common tangents.
OR
D is any point on the side BC of a ΔABC such that ∠ADC = ∠ BAC. Prove that
CA^{2} = BC.CD.
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 Question 5
Find the mean of the following distribution:

Class
Frequency
0 − 10
8
10 − 20
12
20 − 30
10
30 − 40
11
40 − 50
9

 Question 6
A ceiling fan is marked at Rs 970 cash or for Rs 210 as cash down payment followed by three equal monthly instalments of Rs 260. Find the rate of interest charged under the instalment plan.
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 Question 7
A box contains 5 red balls, 4 green balls, and 7 white balls. A ball is drawn at random from the box. Find the probability that the ball drawn is
(a) White
(b) Neither red nor white
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Board Paper of Class 10 Maths (Standard) TermII 2022 Delhi(Set 1)  Solutions

Board Paper of Class 10 Maths (Standard) TermII 2022 Delhi(Set 2)  Solutions

Board Paper of Class 10 Maths (Standard) TermII 2022 Delhi(Set 3)  Solutions

Board Paper of Class 10 Maths (Basic) TermII 2022 Delhi(Set 1)  Solutions

Board Paper of Class 10 Maths (Basic) TermII 2022 Delhi(Set 2)  Solutions

Board Paper of Class 10 Maths (Basic) TermII 2022 Delhi(Set 3)  Solutions

Board Paper of Class 10 Maths (Standard) TermI 2021 Delhi(Set 4)  Solutions

Board Paper of Class 10 Maths (Basic) TermI 2021 Delhi(Set 4)  Solutions

Board Paper of Class 10 2020 Maths (Standard) Delhi(Set 1)  Solutions

Board Paper of Class 10 2020 Maths (Standard) Delhi(Set 2)  Solutions

Board Paper of Class 10 2020 Maths (Standard) Delhi(Set 3)  Solutions

Board Paper of Class 10 2020 Maths (Basic) Delhi(Set 1)  Solutions

Board Paper of Class 10 2020 Maths (Basic) Delhi(Set 2)  Solutions

Board Paper of Class 10 2020 Maths (Basic) Delhi(Set 3)  Solutions

Board Paper of Class 10 2019 Maths All India(Set 2)  Solutions

Board Paper of Class 10 2019 Maths Delhi(Set 1)  Solutions

Board Paper of Class 10 2019 Maths Delhi(Set 2)  Solutions

Board Paper of Class 10 2019 Maths Delhi(Set 3)  Solutions

Board Paper of Class 10 2019 Maths Abroad(Set 2)  Solutions

Board Paper of Class 10 2019 Maths Abroad(Set 3)  Solutions

Board Paper of Class 10 2018 Maths (SET 1)  Solutions

Board Paper of Class 10 2018 Maths (SET 2)  Solutions

Board Paper of Class 10 2018 Maths (SET 3)  Solutions

Board Paper of Class 10 2017 Maths (SET 1)  Solutions

Board Paper of Class 10 2017 Maths (SET 2)  Solutions

Board Paper of Class 10 2017 Maths (SET 3)  Solutions

Board Paper of Class 10 2017 Maths (SET 1)  Solutions

Board Paper of Class 10 2017 Maths (SET 2)  Solutions

Board Paper of Class 10 2017 Maths (SET 3)  Solutions

Board Paper of Class 10 2017 Maths (SET 3)  Solutions

Board Paper of Class 10 2016 Maths (SET 1)  Solutions

Board Paper of Class 10 2016 Maths (SET 2)  Solutions

Board Paper of Class 10 2016 Maths (SET 3)  Solutions

Board Paper of Class 10 2016 Maths (SET 1)  Solutions

Board Paper of Class 10 2016 Maths (SET 1)  Solutions

Board Paper of Class 10 2015 Maths (SET 1)  Solutions

Board Paper of Class 10 2015 Maths (SET 2)  Solutions

Board Paper of Class 10 2015 Maths (SET 3)  Solutions

Board Paper of Class 10 2015 Maths (SET 1)  Solutions

Board Paper of Class 10 2015 Maths (SET 1)  Solutions

Board Paper of Class 10 2014 Maths (SET 1)  Solutions

Board Paper of Class 10 2014 Maths (SET 2)  Solutions

Board Paper of Class 10 2014 Maths (SET 3)  Solutions

Board Paper of Class 10 2014 Maths (SET 2)  Solutions

Board Paper of Class 10 2014 Maths (SET 3)  Solutions

Board Paper of Class 10 2013 Maths Delhi(SET 1)  Solutions

Board Paper of Class 10 2013 Maths (SET 2)  Solutions

Board Paper of Class 10 2013 Maths (SET 3)  Solutions

Board Paper of Class 10 2012 Maths (SET 1)  Solutions

Board Paper of Class 10 2012 Maths (SET 3)  Solutions

Board Paper of Class 10 2012 Maths (SET 1)  Solutions

Board Paper of Class 10 2011 Maths (SET 2)  Solutions

Board Paper of Class 10 2011 Maths (SET 3)  Solutions

Board Paper of Class 10 2011 Maths (SET 1)  Solutions

Board Paper of Class 10 2011 Maths (SET 2)  Solutions

Board Paper of Class 10 2010 Maths (SET 3)  Solutions

Board Paper of Class 10 2010 Maths (SET 1)  Solutions

Board Paper of Class 10 2009 Maths (SET 1)  Solutions

Board Paper of Class 10 2009 Maths (SET 2)  Solutions

Board Paper of Class 10 2009 Maths (SET 3)  Solutions

Board Paper of Class 10 2009 Maths (SET 1)  Solutions

Board Paper of Class 10 2009 Maths (SET 2)  Solutions

Board Paper of Class 10 2009 Maths (SET 3)  Solutions

Board Paper of Class 10 2009 Maths (SET 1)  Solutions

Board Paper of Class 10 2008 Maths (SET 1)  Solutions

Board Paper of Class 10 2008 Maths (SET 1)  Solutions

Board Paper of Class 10 2008 Maths (SET 1)  Solutions

Board Paper of Class 10 2007 Maths (SET 1)  Solutions

Board Paper of Class 10 2007 Maths Abroad(SET 1)  Solutions