For the following questions answer them individually
Two numbers are in the ratio 7 : 9. On diminishing each of them by 20, the new ratio becomes 3 : 5. The difference between the original numbers is:
The compound interest on a certain sum for 2 years at 3% per annum is ₹ 101.50. On the same principal, what will be the simple interest at same rate in same time?
A shopkeeperallows an extra discount of 12% on a radio after giving an initial discount of 20%.If the final selling price of the radio is ₹ 704 then whatis the marked price?
DIRECTIONS: Study the following graph and answer the given questions.
(Number of students admitted in two different School over the years:)
What was the ratio between the number of students admitted in school A in the year 2013 and the total number of students admitted in both the school together in the year 2016?
In which year the total number of students admitted in both the school together was the second lowest?
For the following questions answer them individually
The mean of 22 observations is 35. It was later discovered that 16 and 24 are misread as 31 and 42. What is the correct mean?
A rectangular farm has to be fenced on one long side, one short side and one diagonal. If the cost of fencing is ₹ 10 per meter, the area of the farm is 4800 m$$^2$$ and the short side is 60 m long, the cost of doing the job will be:
The perimeter of a right triangle is 30 cm and its hypotenuse is 13 cm. The area of the triangle is: