On Selling a toy at 20/31 of the marked price there is a loss of 20%. What will be the ratio of marked price and cost price of the toy?
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Shams invested Rs. 5000 at 10% per annum compound interest. After n years, Shams received Rs. 1655 more. Find the value of n.
Find the greatest number that will divide 390, 495 and 300 without leaving a remainder
An angle is (2/3)rd of its supplementary angle. What is the measure of the angle?
Two successive discounts of 10% and 20% are equivalent to a single discount of
If x2 + (1/x2) = 31/9 and x > 0, then what is the value of x3 + (1/x3)?
Two cars travel from city A to city B at a speed of 30 and 48 km/hr respectively. If one car takes 3 hours lesser time than the other car for the journey, then the distance between City A and City B is
The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?