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Question

If you represent the following statement in the form of a linear equation, which of the options are correct?
If we buy 2 tickets to station A and 5 tickets to station B, the total cost is Rs. 77.

A
2x + 3y = 77
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B
3x + 2y = 77
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C
2x + 5y = 77
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D
5x + 2y = 77
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Solution

The correct options are
C 2x + 5y = 77
D 5x + 2y = 77
Let the cost of ticket to station A be x and the cost of ticket to station B be y. Then, the statement can be represented by 2x + 5y = 77. But if we let the cost of ticket to station B be x and that to station A be y, then the statement can be represented by 5x + 2y = 77.

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