Find the sum `2/3`+3`1/6`+4`2/9`+2`5/18`

Find the sum 3/2-5/6+7/(18)-9/(54)+...oodot

Find the sum 3/2-5/6+7/(18)-9/(54)+oodot

Re- arrange suitably and find the sum: 5/3+(11)/2+\ (-9)/4+\ (-8)/3+\ (-7)/2

Find the sum:  (i) 5/6+3+3/4 (ii) 2 3/5+4 7/(10)+2 4/(15)

Find the sum (-4/9 + (-5)/12 + 1/18)

Find the sum : (i) 5/4 + ((-11)/(4)) , (ii) 5/3 + 3/5 , (iii) (-9)/(10) + 22/15 (iv) (-3)/(-11) + 5/9 , (v) (-8)/(19) + ((-2))/(57) , (vi) (-2)/(3) + 0 (vii) -2'1/3 + 4'3/5

Find the sum of the series 1/(3^2+1)+1/(4^2+2)+1/(5^2+3)+1/(6^2+4)+oo

Find the following sums : (i) 12 + 13 + 14 + …+ 37 (ii) 18^(2) + 19^(2) + 20 ^(2) +…+ 47^(2) (iii) 2^(3) + 4^(3) + 6^(3) +… + 18^(3)

Find the sum:  (i) 5/8+3/(10) (ii) 4 3/4+9 2/5

Find the sum given below : (i) 3+6+9+ ....+96 " " (ii) 2+4+6+....+ 50