A factory gets its raw material from two sources A and B. The raw material from A accounts for 60% of the production cost and the raw material from B accounts for 20% of the production cost. The product is sold at 30% profit. Now due to change in transport routes the raw material from source A becomes 30% costlier and the the raw materail from source B becomes 60% costlier. The factory increases the price by 10%.Find the factory current margin of profit?

a)20%
b)15%
c)10%
d)5%

A toy which is marked at Rs 300 and the shopkeeper is giving 30% discount on it.If the shopkeeper makes 20% profit on sell of the toy. What is the Cost price of the toy in Rs? a)170
b)175
c)180
d)185

A man sells three articles, one at a loss of 10%,another at a profit of 20%
and the third one at a loss of 25%.If the selling price of all these three is same
find by how much percent is their average CP lower than or higher than their SP?
(a) 9.25% higher
(b) 8.65% higher
(c) 10.1% higher
(d) can not be determined