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Read the following bar diagram carefully to answer the questions given below.
The ratio of marks obtained by all students in maths and science is respectively
Marks obtained by all students in maths
= $$78 + 44 + 90 + 68 + 92 = 372$$
Marks obtained by all students in Science
= $$72 + 80 + 74 + 78 + 52 = 356$$
=> Required ratio = $$372 : 356$$
= $$93 : 89$$
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