For the following questions answer them individually
If interest being compound half yearly then what sum (in Rs.) will amount to Rs. 38416 in 2 years at the rate of 80% per annum at compound interest ?
The table given below shows the number of students studying in five colleges in the given five years.
Study the table carefully and answer the questions.
If in year 2011, in college N 80% of the total students appeared in a exam, out of which 50% students passed, then how many students passed the exam ?
What is the ratio of the total number of students of college N in all years to the total number of students of all the colleges studying in the year 2011 ?
What is the average of the total number of students studying in college M in the given years ?
For the following questions answer them individually
The perimetre of a rhombus in 20 cm and one of the diagonal is 8 cm. What is the area (in $$cm^{2}$$) of the rhombus?
Three circles of radius 9 cm are kept touching each other. The string is tightly tied around the three circles. What is the length (in cm.) of the string ?
The difference between circumference and the radius of a circle is 111 cm. What is the area (in $$cm^{2}$$) of the circle?
If the diameter of a sphere is 14 cm., then what is the curved surface area (in $$cm.^{2}$$) of the sphere?
If the ratio of volume of two cubes is 11 : 13, then what is the ratio of the sides of the two cubes ?