For the following questions answer them individually
Sandeep sells an article at a loss of 10%. Had he bought it at 20% less and sold if for Rs. 55 more, he could have gained 40%. What is the cost price of the article ?
A vertical pole AB is standing at the centre B of a square PQRS. If PR subtends an angle of $$90^{0}$$at the top A of the pole, then the angle subtended by a side of the square at A is:
Durga walks 5 km from her home to school in 60 minutes, then bicycles back to home along the same route at 15 km per hour. Her sister Smriti makes the same round trip, but does so at half of Durga’s average speed. How much time does Smriti spend on her round trip ?
A factory’s yearly budget for the purchase of employees protection shoes increased by 60% this year over last year. If the price of the shoes increased by 20% this year, then the number of shoes it can purchase this year is what percent greater than the number of shoes it purchased last year ?
Instead of dividing 391 cookies among 3 children A, B, C in the ratio $$\frac{1}{5}:\frac{1}{4}:\frac{1}{8}$$, it was divided in to the ratio 5: 4: 8. Who gains the most and how many ?
The numbers of different colleges in india in different years is given in the graph below. Percent distribution of different colleges in year 1980 and 1990 is shown in pie chart