Each number of a picnic party contributed twice as many rupees as the total number of members and the total collection was 3042 Rs. The number of members present in the party was :
Each member of a picnic party contributed twice as many rupees as the total number of members and the total collection was 3042 Rs. The number of members present in the party was :
[A]22
[B]32
[C]39
[D]40
39
Let the required number of persons be x.
According to the question, $latex 2x^{2} = 3042$
$latex => x^{2} = \frac{3042}{2}=1521$
$latex x = \sqrt{1521} = 39$
Hence option [C] is right answer.