Answers

2015-08-18T20:43:06+05:30
Hi...
   this proportion..
extremes and means concept is important .....
20 u multiply with x  ( x is taken as the missing number ) so this is called extreme..
11 u multiply with 102 and this is  called means ...
and u will get 1122 and u divide it with 20 ...
i.e 20x=11*102


0
it is wrong you have to do by reasoning