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Showing posts from July 16, 2010

CBSE Mathematics Class VIII NCERT Solutions for Mathematics | Chapter 2, Linear Equations in One Variable | NCERT Textbook Exercise 2.1

Class 8, CBSE NCERT Mathematics Solution Exercise 2.1 (Linear Equations in One Variable) (page 23, 24) Q1: Solve: x – 2 = 7 Solution:  x − 2 = 7 Adding 2 to both sides or transposing 2 to R.H.S, we obtain x = 7 + 2 = 9 Q2: Solve: y + 3 = 10 Solution: y + 3 = 10 Subtracting 3 from both sides we obtain, y + 3 – 3 = 10 – 3 Or, y = 7 Q3: 6 = z + 2 Solution:  (do it yourself)

TISSUES | CBSE Board Class 9 Biology NCERT Science Textbook Exercise Solutions

CBSE 9 Biology - NCERT Answers of Science Textbook Exercise Questions Chapter - 6, TISSUES Q.1: Define the term ‘tissue’? Ans: The group of cells similar in structure that work together to achieve a particular function forms a tissue. This group of cells has a common origin. Q.2: How many types of elements together make up the xylem tissue? Name them. Ans: Xylem is a complex tissue.