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In 1998, ratio of the numbers of student...

In 1998, ratio of the numbers of students taking examinations in x and z states are respectively 3:5:6. Next year, the numbers of students are increased by 20%, 10% and 20% respectively. If ratio of the numbers of students in states x and z is 1 : 2, then find the number of students who sit to take examination in 1998.

A

7200

B

6000

C

7500

D

Data inadequate

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The correct Answer is:
D
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