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Q. a : b : : 3 : 5, b : c : : 4 : 3 and c : d : : 4 : 5, a : d = ?

Q. Vijay sells a cupboard at 14% below cost price. Had he got Rs.2086 more, he would have made a profit of 14%. What is the cost price of the cupboard?

Q. A man buys 50 pens at marked price of 46 pens from a whole seller. If he sells these pens giving a discount of 1% , what is the profit percent?

Q. Aman got a salary of Rs. 8600. The salary was invested by him in two parts. Find the difference between the two parts of his salary, if in first part he got some simple interest at 15% per annum in 4 years, which was same as the second part which he invested at 20% for 3 years.

Q. Sagar purchased 10 kg of rice at the rate of Rs. 15 per kg and 25 kg of rice at the rate Rs. 14 per kg. He mixed the two and sold the mixture. Approximately at what rate per kg should he sell the mixture to make 40 % profit in the transaction?

Q. Ramesh’s salary was reduced by 10% and then the reduced salary was increased by 10%. What was his ultimate loss?

Q. One disadvantage of using North-West Corner rule to find initial solution to the transportation problem is that

Q. certain sum earns simple interest of Rs. 800 in 2 years at a certain rate of interest. If the same sum earns compound interest of Rs. 845 in the same period of 2 years, What must be the rate of interest?

Q. Operations research is the application of ____________methods to arrive at the optimal Solutions to the problems.