## RS Aggarwal Class 7 Math Seventh Chapter Linear Equation In One Variable Exercise 7B Solution RS Aggarwal Class 7 Math Seventh Chapter Linear Equation In One Variable Exercise 7B Solution EXERCISE 7B (1) Twice a number when decreased be 7 gives 45. Find the number. Solution:  Let the required number is x. (2) Thrice a number when increased by 5 gives 44. Find the number. Solution: Let the required number […]

## RS Aggarwal Class 7 Mathematics Fifth Chapter Exponents Exercise 5B Solution RS Aggarwal Class 7 Mathematics Fifth Chapter Exponents Exercise 5B Solution EXERCISE 5B (1) Express each of the following numbers in standard form: (2) Express each of the following numbers in standard form: (i) Diameter of Earth = 12756000 m. (3) Write the following numbers in expanded form: (4) Write the numeral whose expanded form […]

## RS Aggarwal Class 7 Mathametics Sixth Chapter Algebraic Expressions Exercise 6A Solution RS Aggarwal Class 7 Mathametics Sixth Chapter Algebraic Expressions Exercise 6A Solution Exercise 6A (1) Add the following expressions: (2) Subtract: (3) Subtract (2a – 3b + 4c) from the sum of (a + 3b – 4c),(4a -b +9c)and (-2b +3c -a). (6) Simplify:

## RS Aggarwal Class 7 Mathematics Fifth Chapter Exponents Exercise 5A Solution RS Aggarwal Class 7 Mathematics Fifth Chapter Exponents Exercise 5A Solution EXERCISE 5A (1) Write each of the following in power notation: (2) Express each of the following in power notation: (3) Express each of the following as a rational number: (4) Express each of the following as a rational number: (5) Find the reciprocal […]