For the following questions answer them individually
A shopkeeper marks his articles at 30% above the cost price and allows the purchaser a discount of 20% for cash buying. What profit per cent does he make?
In a trip, Ram can cover a distance of 200 km in 10 hours. First he started by Bike at the speed of 15 km/h. After that his bike broken down and cover the remaining distance by his friend's car at the speed of 25 km/h. Ratio between the distance covered by bike and car is ____________.
A solid metallic cube of side is $$6\sqrt[3]{4}$$ cm, is melted and recast into a cuboid of length 12 cm and breadth 9 cm. What is the length (in cm) of the longest diagonal of the cuboid?
In a 1200 m race, the ratio of the speeds of two contestants Meenal and Nitu is 5:7. If Meenal has a start of 500 m,then Meenal wins by:
The tax on a commodity diminishes by 14% and its consumption increases by 10%. Find the effect on revenue.
The following pie chart shows the different coloured dresses worn by 60 students in a college party. Study the pie chart and answer the question that follows.
The number of students who wore cement-coloured dress (sector which represents 20%) is:
If $$Cosec^{2}\theta+\cot^{2}\theta=\frac{1}{3}$$, Where $$0\leq\theta\leq\frac{\pi}{2}$$, then the value of $$cosec^{4}\theta-cot^{4}\theta$$ is: