In a class of 40 students and 5 teachers, each student got sweets that are 15% of the total number of students and each teacher got sweets that are 20% of the total number of the students. How many sweets were there?

Correct Answer: 280

Explanation:

Number of sweets received by every students = 15% of 40 = (40 x 15)/100 = 6
∴ Number of sweets received by 40 students = 40 x 6 = 240
Number of sweets received by each teacher = 20% of 40 = (40 x 20)/100 = 8
∴ Number of sweets received by 5 teachers = 8 x 5 = 40
∴ Total number of sweets = 240 + 40 = 280

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