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#board paper2015solution CBSE Class 10th Mathematics Question Paper Solution 2015 cbse mathematics paperanswer key 2015 cbse 10th board maths question & answers with solution 2015. CBSE Board annual exam 2015 for Class 10th is going on. For convenience of students question paper with answer and solution of class 10h for 2015 are available. You candownload the question paper of Mathematics for class 10th. Another guidance and help of the students is also appreciating. Board Paper Solutions (2015) Class: X: Maths 2015 Set 3: Solutions (All India)

Social science class 9 CBSE Board Question paper 2015 9th maths Question Paper contributed by visitor 2015 Mathematics original papers 2015 class 9 CBSE sa2 [DAV Samastipur] Science original papers 2015 class 9 CBSE sa2 [SDV samastipur] Social Real papers 2015 class 9 CBSE sa2 [KV samastipur] Maths original papers 2015 Bal Bharati Public School Navi Mumbai class 9 CBSE sa2 9th class original paper 2015 term-2 :St.Xavier senior secondary school New CBSE Class IX Mathematics and Science Solved Question Paper for exam 2015

Q. 1. Write the name and formula of the 2nd member of homologous series having general formula CnH2n Ans: CnH2n+2 is the general formula for the alkane series. So, the second member of the alkane family is ethane Q.2. what is the magnification of the images formed by plane mirrors and why? Ans: The magnification of the image formed by a plane mirror is 1. This is because the size of the image formed is equal to the height of the object Q.3. What is meant by power of a lens? Ans: The power of a lens the ability of the lens to converge or diverge an incident beam focused on it. P = 1/f Q.4. Write two differences between binary fission and multiple fission in a tabular form. Ans: Binary Fission Only two daughter cells are produced. Nuclear division is immediately followed by cytoplasmic division. Multiple Fission More than two daughter cells are produced. Nuclear division is not immediately followed Q.5. (a) Why do we need to manage our resources carefull