A number of friends decided to go on a picnic and planned to spend Rs 960 on food. Four of them,however,did not turn up.As a consequence, the remaining ones had to contribute Rs 40 each extra. The number of those who attended the picnic was:

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Solution

The correct option is A 8
Let the number of friends who attended the picnic be n.
We have $\frac{960}{x - 4} - \frac{960}{x} = 40$ which gives $x = 12$ .
(Note. Substitute x = 12 and satisfy the equation)

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A number of friends decided to go on a picnic and planned to spend Rs 960 on food. Four of them,however,did not turn up.As a consequence, the remaining ones had to contribute Rs 40 each extra. The number of those who attended the picnic was:

The correct option is A 8Let the number of friends who attended the picnic be n.We have 960x−4−960x=40 which gives x=12.(Note. Substitute x = 12 and satisfy the equation)

The correct option is A 8
Let the number of friends who attended the picnic be n.
We have $\frac{960}{x - 4} - \frac{960}{x} = 40$ which gives $x = 12$ .
(Note. Substitute x = 12 and satisfy the equation)