Arithmetic Progressions
> Question
Case-Study
2 marks
Year: 2025
Easy
CBSE Class 10
arithmetic-progressions
sum-of-terms
case-study
Question
(iii) (a) Find the total distance run after completing all 10 rounds.
Solution
1
S
10
=
2
10
×
(
2
×
300
+
9
×
50
)
=
5
×
(
600
+
450
)
+1 mark
2
=
5
×
1050
=
5250
m
+1 mark
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