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Question

The bar graph represents the number of students who enrolled in three different disciplines in five different colleges.
Q. What is the respective ratio of total number of students studying mechanical in colleges C and E together to those studying Civil engg from colleges A and B together?

A
360: 380: 377
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B
360: 377: 380
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C
377: 380: 360
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D
36: 35: 38
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E
None of these
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Solution

The correct option is B 360: 377: 380
Sum total of the student who study civil engg
= 300+325+350+475+350
= 1800
Sum total of the student who study mechanical engg
= 375+335+325+400+450
= 1885
Sum total of the student who study electrical engg
= 450+480+350+450+260
=1990
Required ratio
= 1800: 1885: 1990
=360: 377: 380

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