Sudha went to market with her friends. They wanted to eat `gol - gappa' as well as `dahi - bhalla'. The number of plates of gol - gappa taken by them is half that of dahi - bhalla. The cost of one plate of gol - gappa was Rs. 10 and cost of one plate of dahi - bhalla was Rs. 5. She spent Rs. 60. Represent the situation algebraically.

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2 x – y = 0

and

10 x + 5 y = 60

2 x + y = 0

and

10 x + 5 y = 60

2 x – y = 0

and

10 x - 5 y = 60

2 x + y = 0

and

10 x - 5 y = 60

answer is A.

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Detailed Solution

It is given that,
Cost of 1 plate gol - gappa = Rs. 10
Cost of 1 plate dhai - bhalla = Rs. 5
Total money spent by Sudha = Rs. 60
Let the number of gol-gappa plates is equal to x, and the number of dhai-bhalla plates is equal to y.
Use the given conditions in the problem to frame equations in the unknown x and y:
According to question,
Half of the Dahi Bhalla was consumed by a number of dishes of gol-gappa.