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?  

A tank of 30 meter long, 20metre wide and 12 meter deep is dug in a rectangular field of length 588 meter and breadth 50 meter. The earth sand so dug out is spread evenly on the remaining part of the field. The height of the field raised by it is

The distance between the coordinates ( x,y)  from the original point will be

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

474 459 429 369 249 ?

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

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? 

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?