For the following questions answer them individually
A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?
By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?
What is the equation of the line whose y- intercept is -3 and makes an angle of 45° with the positive x-axis?
To travel 672 km, an Express train takes 14 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 8 hours less than Rajdhani. The speed of Rajdhani is
Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?
If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs.29160, and Rs 31492.8 respectively, what is the rate of interest?
