For the following questions answer them individually
The average of 20 numbers is 36. If each number is increased by 4, then what will be the new average?
Ketan and Kunal can complete a job together in 7 days. Kunal is $$\frac{7}{4}$$ times as efficient as Ketan. In how many days can Kunal alone complete the job?
The marked price of a watch was ₹96,000. A man bought the same watch for ₹67,584 after getting two successive discounts. If the first discount was of 12%, what was the quantum of the second discount?
If the length of one side of a rectangle is twice that of the other side, and its perimeter is 54 cm, then what is the length of the longer side of this rectangle?
A sum of money, invested at a certain rate of simple interest per annum, amounts to ₹720 in 4 years and to ₹800 in 5 years. The sum invested is:
The following graph shows the percentage rise in the profits of two companies over the years.
What is the average of the percentage increases in the year-to-year profit of Company M over all the given years, taken together? [Give your answer correct to the nearest integer value.]
Find the amount payable on maturity if ₹20,00,000 is invested at 12% per annum for $$\frac{3}{2}$$ years and interest is compounded half-yearly.
The following pie chart shows the share of the marks scored by Rahul in an examination in each of 5 different subjects - English, Hindi, Mathematics, Science and Social Science - as percentages of the total marks scored by Rahul in all the 5 subjects taken together.
What is the central angle showing the shares of the marks in Hindi and Social Science, taken together?
Two vessels of equal capacity, and both completely filled, contain mixtures of milk and water in the ratio of 5 : 1 and 6 : 5, respectively. Both the mixtures are now mixed thoroughly. What is the ratio of milk to water in the new mixture so obtained?