Evaluate :
`1/2 + 1/3 + 1/4`

Evaluate : ( 1/2 - 1/3 ) + ( 1/3 - 1/4 ) + ( 1/4 + 1/2 ) is equal to ( a ) 0 ( b ) 1/4 ( c ) 1/2   ( d ) 1

Evaluate : (1 - 1/3 )^2 times ( 1 - 1/4 )^2 times ( 1 - 1/5 )^2 ------- ( 1 - 1/n )^2 is equal to :

Evaluate : [ ( 1/2 )^-1 + ( 2/3 )^2 - ( 3/4 ) ]^(-2 )

Find the value of 1/ ( 2 + ( 1/ ( 3 + 1/ ( 4 + 5 ) ) ))

Evaluate (-1)/3 xx (1/2+1/4)xx((-1)/3 xx 1/2)+((-1)/3 xx 1/4)

Evaluate : 4^(1/3 ) times [ 2^(1/3 ) times 3^(1/2) ] ÷ 9^(1/4 )

Evaluate { ((1)/(3)) ^(-3) - ((1)/(2)) ^(-3) } div ((1)/(4))^(-3)

Find the value of ( 4^-1 + 8^-1 ) ÷ 1/ ( 2/3 )^-3

Find the mode of the data: 2/3, 1/2, 1/2, 1, 1/4, 2, 1/2, 1/4, 3/4