For the following questions answer them individually
After giving 10 percent discount on an article there is still a profit of 10 percent. What will be the profit percentage when no discount is given?
The ratio of three numbers is 6 : 8 : 9. If the sum of the three numbers is 460, then what is the largest number among the three numbers.
The average age of 14 students of a class is 17 years. If a new student of age 32 years joins the class, then what will be the average age of these 15 students?
X, Y and Z are three students X got 40 percent more marks than Y and 20 percent less marks than Z. If Y got 480 marks, then what are the marks got by Z?
How many spherical balls of radius 8 cm can be made by melting a hemisphere of radius 48 cm?
A boat travels a distance of 54 km at uniform speed. If the speed of boat is increased by 3 km/hr, then it takes 3 hours less to cover the same distance. What is the original speed of the boat?
Simple interest on a sum for 5 years is equal to 20 percent of the principal. In how many years interest will be equal to the principal?
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