Observe the graph and answer the question that follows.
How many students obtained marks more than 130?
Explanation:
We are asked how many students obtained more than 130 marks.
If we observe the graph, first bar represents those students who scored marks between 125 and 130, hence they definitely scored less than 130.
Second bar represents 3 students who scored marks between 130 and 135. Now these 3 students could have score exatly 130 or more than 130 as well, hence we are not sure if they scored 130 or more than 130.
∴ Number of students who definitely scored more than 130 = 2 + 8 + 5 + 4 + 1 = 20.
Hence, option (d).
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