In the given filed the area under triangular shape is

Perimeter of rectangle with length 76 meter and breadth 48 meter: 

Geeta weighs 11.235 kg . Her sister weighs 1.4 times her weight . Find their combined weight ? 

10 year ago, the ages of A and B were in the ratio 13 :17 respectively. 17 year from now the respective ratio of their ages will be 10:11. what is the age of B at present?  

Rajan purchased two ceiling fans at the rate Rs. 2,500 each. Out of which one fan was sold at 15% profit and other was sold at 8% loss. How much profit or loss percentage is obtained in the whole transaction? 

Directions : What should come in place of the question mark (?) in the following number series? 

19 38 ? 228 684 1368 

α and β  is two root of a equations $$2x^2-7x+ 12=0 $$ then the value of $$ {α \over β }  + {β \over α }=? $$

A basket consists of five blue balls, four green balls, two red balls and three yellow balls. Three balls are drawn at random. What is the probability that at least one blue ball is drawn?