Three articles are bought at Rs. 400 each. One of them is sold at a loss of 10%. If the other two articles are sold so as to gain 20% on the whole transaction, then what is the gain percentage on the two articles?

Three articles are bought at Rs. 400 each. One of them is sold at a lo

1.	Three articles are bought at Rs. 400 each. One of them is sold at a loss of 10%. If the other two articles are sold so as to gain 20% on the whole transaction, then what is the gain percentage on the two articles?
A.	35%
B.	10%
C.	30%
D.	40%
Answer» B. 10%