Study the following Information carefully and answer the questions given below
Number of students appeared ,passed and granted scholarships over the years
Which of the following seems table most possible reason for substantial increase of number appeared in 1999 ?
For the following questions answer them individually
When the length of the rectangular plot is increased by four times its perimeter becomes 480 meters and area becomes 12800 sq.m. What is its original length(in meters)?
What will come in the place of question mark (?) in the following series ?
2 Â 9 Â 28 Â 65 ?
A group of 20 girls has average age of 12 years. Average of first 12 from the same group is 13 years and what is the average age of other 8 girls in the group?
The sum of three consecutive number is given .What is difference between first and third number?
Find the what approximate value which should be come in place of the following questions .(You are not expected to  calculate exact value).