For the following questions answer them individually
A car covers the first 35 km in 15 minutes and the next 45 km in 25 minutes. What is the average speed of the car?
If the diameter and height of a cylinder are d cm and $$\frac{d}{2}$$ cm, respectively, then its volume is:
In a panchayat election an independent candidate got 28% of the total votes polled and was declared the winner. The rest of the votes were equally divided among the candidates of three national parties. If the total votes polled were 1200, how many votes did the each candidate of national party get?
A can complete 3/4th of the work in 9 days and B can complete 2/5th of the work in 12 days. With the help of C, all three together complete the whole work in 60/11 days and earn Rs. 330. If money is shared in the ratio of work done, then find the difference in the share of C and the share of A.
The total cost price of a book and pen is Rs.371. If the book cost price is 12% more than the pen, find the cost price of the pen.
Find three numbers in the ratio of 6 : 4 : 10 such that the sum of their squares is equal to 3800.
The salary of an employee in the month of March is ₹7,500 and the company increases his salary every month by 2%. His salary in the month of May of the same year is:
Ramesh and Suresh can complete a piece of work in 10 days and 12 days, respectively. If they are working on alternate days, starting with Ramesh, in how many days will the entire work be finished?
A dealer fixed the price of an article 40% above the cost of production. While selling it he allows a discount of 20% and makes a profit of Rs.72. Find the cost of production (in Rs.) of the article.
Johnson borrows ₹30,000 at 5% compound interest per annum. He wants to pay this amount back by the end of 2 years in two equal yearly installments. How much does he have to pay approximately at the end of each year?