The number of four wheelers sold in a year vary inversely with the number of two wheelers sold in that year. If 4000 four wheelers were sold in one particular year, 21000 two wheelers were sold that year. How many two wheelers were sold in a year, when 6000 four wheelers were sold?
The cost per kg of rice varies inversely with the square of the quantity of rice produced in a year. When 7 million tons of rice was produced, its cost was Rs. 36/kg. How much was the production in the year when the cost of rice was Rs. 49/kg? x varies directly with y as well as z. When x = 2 and y = 3, z = 5. What is the value of x when y = 9 and z = 15?
A Takshzila Shikshak Presentation
0 Comments