Read the following bar diagram carefully to answer the questions given below.
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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