Study the following table and answer the questions.
Classification of 100 Students Based on the Marks Obtained by them in Physics and Chemistry in an Examination.
Subject | Marks out of 50 | ||||
40 and above | 30 and above | 20 and above | 10 and above | 0 and above | |
Physics | 9 | 32 | 80 | 92 | 100 |
Chemistry | 4 | 21 | 66 | 81 | 100 |
Average (Aggregate) | 7 | 27 | 73 | 87 | 100 |
1) What is the different between the number of students passed with 30 as cut-off marks in Chemistry and those passed with 30 as cut-off marks in aggregate?
a) 3
b) 4
c) 5
d) 6
2) If at least 60% marks in Physics are required for pursuing higher studies in Physics, how many students will be eligible to pursue higher studies in Physics?
a) 27
b) 32
c) 34
d) 41
3) The percentage of number of students getting at least 60% marks in Chemistry over those getting at least 40% marks in aggregate, is approximately?
a) 21%
b) 27%
c) 29%
d) 31%
4) The number of students scoring less than 40% marks in aggregate is?
a) 13
b) 19
c) 20
d) 27
5) If it is known that at least 23 students were eligible for a Symposium on Chemistry, then the minimum qualifying marks in Chemistry for eligibility to Symposium would lie in the range?
a) 40-45
b) 30-40
c) 20-30
d) Below 20
Study the bar chart and answer the question based on it.
Production of Fertilizers by a Company (in 1000 tonnes) Over the Years
6) What was the percentage decline in the production of fertilizers from 1997 to 1998?
a) 33(1/3)%
b) 20%
c) 25%
d) 21%
7) The average production of 1996 and 1997 was exactly equal to the average production of which of the following pairs of years?
a) 2000 and 2001
b) 1999 and 2000
c) 1998 and 2000
d) 1995 and 2001
8) What was the percentage increase in production of fertilizers in 2002 compared to that in 1995?
a) 320%
b) 300%
c) 220%
d) 200%
9) In which year was the percentage increase in production as compared to the previous year the maximum?
a) 2002
b) 2001
c) 1997
d) 1996
10) In how many of the given years was the production of fertilizers more than the average production of the given years?
a) 1
b) 2
c) 3
d) 4