iGate Company Numerical Ability Ratio and Proportion

the cost of the manufacturing an article includes materials, labour and overheads in the ratio of 4:3:2. if the cost of labour is 45rs.find the total cost of article and also its profit percentage,if the article is sold per 180rs?
a)rs.145, 23 1/3%
b)rs.135, 33 1/3%
c)rs.125, 20 1/3%
d)none of the above

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iGate Other Question

choose the incorrect sentence from following options: a) a large number of primary school in the country are one teacher schools. B)the consumer movement has not spread to the country side despite many attempts. C) all the furnitures are kept inside the big hall,which over looks the indian ocean. D) some farmers do not have enough funds to develop water resources. find the option that follows the same ANALOGY:
IMPORT:EXPORT :: BUY : ?