Banana is multiplied by means of

Banana is cultivated by:

Banana is multiplied through

Banana is multiplied through

If ' gt' means minus , 'lt ' means plus , '*' means multiplied by and # means divided by , then what would be the value of 27 lt 81 # 9 gt 6 =

If '+' means divided by '-' means' multiplied by 'xx' means minus' and '-:' means plus' which of the following will be the value of expression : 16-:8-4+2xx4=?

There are 7 observations in the data and their mean is 11. If each observation is multiplied by 2, then find the new mean.

The mean of a set of numbers is X. If each number is multiplied by z, the mean is