A) 15
B) 20
C) 25
D) 30
Correct Answer: B
Solution :
Let number of student which planned a picnic = x but the number of students attended the picnic \[=(x-5)\] and The cost of food for each member =Rs. y Then, xy = 500 ... (1) and\[\left( x-y \right)\,\,\left( y+5 \right)=500\] ? (2) On solving eq. (1) and (2)? x = 25 and y =Rs. 20 Hence, Number of student attended the picnic \[=25-5\] = 20You need to login to perform this action.
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