Question

low
3
S.Science
al
36
4. The adjoining pie chart gives the marks scored in an examination by a student in
Hindi, English, Mathematics, Social Science and Science. If the total marks obtained
by the students were 540, answer the following questions.
In which subject did the student score 105
marks?
(Hint: for 540 marks, the central angle=360°.
So, for 105 marks, what is the central angle?)
( How many more marks were obtained by the
student in Mathematics than in Hindi?
80°
Examine whether the sum of the marks
obtained in Social Science and Mathematics
is more than that in Science and Hindi.
(Hint: Just study the central angles).
Mathematics
900
550
Science
English
Hindi​

Answer 1

Answer:The required A.P is

2, 5, 8, 11........................

Step-by-step explanation:

Formula used:

The n th term of the A.P a, a+d, a+2d, .......

is

Now we solve (1) and (2)

3a-2d=0.........(1)

2a-2d=-2.........(2)

(1)-(2)

a=2