IIT-JEE Exam Numerical Ability Ratio and Proportion

The incomes of Gupta and Verma are in the ratio of 9:4 and their expenditures are in the ratio of 7:3. If both save Rs. 2000, Gupta's expenditure is

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IIT-JEE Other Question

A sum of 4000 is lent over 5 years at the interst of 15 per annum. Find the interesy : Three machines A, B and C produce respectively 60%, 30% and 10 % of the total number of items of a factory. The percentage of defectives output of these machines are 2%, 3% and 4%, respectively. If an item is selected at random and is found defective. Find the probability that the selected item was produced by machine C.