Q. 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 :
Answer: 39
Notes: 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.

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