1/20+1/30+1/42+1/56+1/72+1/90+1/110+1/132 बराबर है

  • 1

    𝟏/𝟖

  • 2

    𝟏/𝟕

  • 3

    𝟏/𝟔

  • 4

    𝟏/𝟏𝟎

Answer:- 3

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