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

Q. A’s salary is 50% more than B’s. How much percent is B’s salary less than A’s?

Q. r. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8110/-. Find out the amount that he borrowed.

Q. Find the resultant profit if A sells a cupboard at a profit of 6% to B and B sells the same to C at a profit of 9%.

Q. Suresh for 2 years invested Rs. 500 in SBI. He also invested Rs. 300 in ICICI for 4 years. At the end he received Rs. 220 from both banks as simple interest. What must have been rate of interest?

Q. The 3rd proportional to 18 and 54 is?

Q. In Degenerate solution value of objective function _____________.

Q. If simple interest for 2 years for a sum is Rs. 600 and compound interest for the same sum for 2 years and same rate of interest is Rs. 645, what will be the rate of interest?

Q. 1/5 part of an amount was given at 3% simple interest, 1/3 part was given at 5% simple interest, 2/5 parts at 9% simple interest and remaining part at 11% simple interest. The total interest received was Rs.297. How much amount was originally given?

Q. A cheater manipulated his weighing machine so that it shows 1kg for 970 grams. How much profit does he get?