`1/20+1/20+1/42+1/56+1/72+1/90+1/110+1/132` किसके बराबर है।

1/20+1/30+1/42+1/56+1/72+1/90+1/110+1/132 is equal to

9 3/4 div [2 1/6 + {4 1/3-(2 1/2+3/4)}] is equal to: 9 3/4 div [2 1/6 + {4 1/3-(2 1/2+3/4)}] किसके बराबर है ?

5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] is equal to :- 5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] का मान किसके बराबर है ?

Find the sum : (1)/(2) + (1)/(6) + (1)/(12) + (1)/(20) + (1)/(30 ) + (1)/(42) + (1)/(56) + (1)/(72) + (1)/(90) + (1)/(110) + (1)/(132)

What is the sum of 1 1/2+4 1/6+7 1/12+10 1/20 .....up to 20 terms? 1 1/2+4 1/6+7 1/12+10 1/2 .....के 20 पदों तक का योग क्या है?

(1)/(20)+(1)/(30)+(1)/(42)+(1)/(56)+(1)/(72)+(1)/(90)+(1)/(110)+(1)/(132)= ?