Find the sum of
A ) `( -7 ) + ( -9 ) + ( 5 ) + (-8 ) `
B ) `( 5 ) + ( -9 ) - ( -4 ) + ( -6 )`

Find the sum : 6/4 + 9/8

Find the sum: 5/9+ (-8/9)

Find the sum: 5/9+\ 6+1 5/7

Find the sum: (-5)/(6)+(4)/(9)

Find the sum: (8)/(9)+(5)/(12)

What should come next in the following number series 9 8 9 8 7 9 8 7 6 9 8 7 6 5 9 8 7 6 5 4 9 8 7 6 5 1) 3 2) 4 3) 2 4) 1 5) None of these

If A : B = 5 : 6 and B : C = 8 : 9 , find A : B : C

What should come next in the following series? 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 9 8 7 6 5 4 3 9 8 7 6 5 4 9 8 7 ?

If A = { 2 , 5, 8 , 7 } , B = { 6 , 7, 8 , 9 } ,then A ∩ B = A) { 5 , 8 , 7 } B) { 2 , 5, 7 } C ) { 7, 8 }