1.

\frac { 1 } { 4 } \times \frac { 2 } { 6 } \times \frac { 3 } { 8 } \times \frac { 4 } { 10 } \times \frac { 5 } { 12 } \times \ldots . x \frac { 31 } { 64 } = \frac { 1 } { 2 ^ { x } }

Answer»

32 is the correct answer



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