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More Mathematics Questions
A trader buys some goods for Rs. 150. If the overhead expenses be 12% of cost price, then at what price should it be sold to earn 10% ?
A train travels the distance between stations P and Q at a speed of 126 km/h, while in the opposite direction it comes back at 90 km/h. Another train travels the same distance at the average speed of the first train. The time taken by the second train to travel 525 km is:
If x = $$2 - {2^{\frac{1}{3}}} + {2^{\frac{2}{3}}},$$ then find the value of x 3 - 6x 2 + 18x.
The simplified value of $$\left( {1 - \frac{{2xy}}{{{x^2} + {y^2}}}} \right)$$ $$ ÷ $$ $$\left( {\frac{{{x^3} - {y^3}}}{{x - y}} - 3xy} \right)$$ is?
A car travels from P to Q at a constant speed. If its speed were increased by 10 km/hr, it would have taken one hour lesser to cover the distance. It would have taken further 45 minutes lesser if the speed was further increased by 10 km/hr. What is the distance between the two cities ?