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23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

The number of boys in Mechanical Department is same as the number of boys in Computer Science depart...........

Elelmentary Mathematics (UPPCS) Data Table

Study the following information and answer the questions that follow:
An engineering college has five branches as shown in the table. All the students study in these five branches. The ratio of number of boys to number of girls is given in the table and the percentage of student in any branch is also given. Some fields are blank you have to find the value as per the data given in each question and then solve the question.

The number of boys in Mechanical Department is same as the number of boys in Computer Science department. The number of boys in electrical department is greater than the number of girls in Computer Science Department by 414. Find the number of girls in Mechanical Department.

486

720

378

648

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Explanation:

Let total students=100x
Boys in electrical dept- girls in CS dept= 414
¾*21x – 2/5 *25x =414
x= 72
total students =7200
find boys in CS= 1080
hence boys in Mech=1080
total students in mech= 24/100*7200=1728
hence girls=1728-1080= 648