If one side and one"diagonal of a rhombus are 5 cm and 8,cm respectively, then  its area in sq .cm is .

1)  20

2)  24

3)  40

4)  13

An article sold at Rs. 425 earned profit equal to the loss incurred when sold for Rs. 375. What is the eost price of that ar­ticle?   

1)  Rs. 370

2)  Rs. 385

3)  Rs. 390 .

4)  Rs. 400