Evaluate the following: `-3-4/7+1/8`

Evaluate the following: (4)/(3)+(7)/(8)

Evaluate the following: a. 7^(-3) b. (1/8)^(-5) c (2/7)^(-3)

Solve the following : 1(1)/4+2/3+7/8

Re-arrange suitably and find the sum in each of the following: (2)/(3)+(-4)/(5)+(1)/(3)+(2)/(5) (ii) (1)/(8)+(5)/(12)+(2)/(7)+(7)/(12)+(9)/(7)+(-5)/(16)

Which is greater in the following? (3)/(4) , (7)/( 8)

Find the median of the following data: 3(3)/(7), 3(5)/(8), 3(1)/(2), 3(1)/(4), 3(7)/(9) "and" 3(7)/(11)

Verify the following: (-1,2,1),(1,-2,5),(4,-7,8) and (2,-3,4) are vertices of a parallelogram.

Find the quartile deviation of the following discrete series. {:(x,8,10,13,16,19,22),(f,4,7,8,3,5,4):}