For the following questions answer them individually
There are 1200 students in a hostel. If the number of students is increased by 300, then the expenses of the mess increase by ₹5,000 per day, while the average expenditure per head diminishes by ₹5. The original expenditure of the mess,per day,is:
A sum of ₹16,000 is divided between Rahul and Vinod. Rahul invested is sum at 7.5% p.a. for 4 years at simple interest,and Vinod invested is sum at 12% p.a for 4 years simple interest. If the total interest received by Rahul and Vinod together is ₹6,024 then the sum invested by Rahul is:
What number must be added to each of the number 7,4 and 2 so that the resulting number may be in a continued proportion?
If a number of pens and pencils are bought in the ratio of 5:3, Ashok has to pay ₹44.If the ratio is changed as 3:5, then he has to pay ₹36. Find the ratio of the price of one pen to one pencil.
The given pie chart shows the monthly savings and expenditures incurred by a family on various items. Study the chart and answer the given below.
If the expenditure on housing is ₹1,680 more than that on clothing, then the yearly saving are:
A cylindrical pillar is 75 cm in diameter and 5.6 m in height.The cost of painting the curved surface of the pillar at the rate of ₹15 per $$m^{2}$$ is:
(Taken $$\pi=\frac{22}{7}$$)
The ratio of the curved surface area and the volume of a closed cylinder is 4:7.If its total surface area is 253 $$cm^{2}$$,then its height is:
(Taken $$\pi=\frac{22}{7}$$)
How many minutes does Vishwa take to cover a distance of 1300 m if he runs at a speed of 26 km/h?
The given pie chart shows the monthly savings and expenditures incurred by a family on various items. Study the chart and answer the question given below.
The central angle of food and education together is: