Std 8 social science ch 7 swadhayay solution , ધોરણ 8 સામાજિક વિજ્ઞાન પાઠ 7 સ્વાધ્યાય સોલ્યુશન

The linear equation 7x+9y=8 has a unique solutions

3/2 is the solution of the equation 8x – 5 = 7.

Discussion OF DPP - 7,8

Find the solution of the following: (-7)+(+8)

Discussion OF DPP-7 to 8

The arithmetic mean of 7 and 8 is _____.

7 8 18 57 ?

Study the following arrangement carefully and answer the questions given below: 6 7 8 9 9 8 7 9 7 7 8 9 7 8 7 6 9 6 8 9 7 7 9 8 9 7 6 8 8 7 How many such seven are there in the given series each of which is immediately preceded by 9 and also immediately followed by 8? 1) None 2 ) One 3)Two 4)Three 5)More than three

Study the following arrangement carefully and answer the questions given below: 6 7 8 9 9 8 7 9 7 7 8 9 7 8 7 6 9 6 8 9 7 7 9 8 9 7 6 8 8 7 How many such numbers are there in the given series each of which when subtracted from the following number, has a difference of 2 ? 1) Three 2 ) Four 3)Five 4)Nine 5)None of these