120 increased by 18% is: MCQ with Answer and Explanation
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Question #1
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In a class consisting of 60 students and 5 teachers, each student receives sweets equal to 20% of the total number of students, and each teacher receives sweets equal to 30% of the total number of students. How many sweets were distributed in total?
Correct Answer: Option C
Explanation:
Sweets per student = 20% of 60 = 12. Sweets per teacher = 30% of 60 = 18. Total sweets = (60 * 12) + (5 * 18) = 720 + 90 = 810.
Sweets per student = 20% of 60 = 12. Sweets per teacher = 30% of 60 = 18. Total sweets = (60 * 12) + (5 * 18) = 720 + 90 = 810.
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Maths
Percentage
Question #3
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The difference between two numbers is 50. If 40% of the larger number is equal to 60% of the smaller number, find the sum of the two numbers.
Correct Answer: Option D
Explanation:
0.4L = 0.6S → L/S = 3/2 → L = 3k, S = 2k. L - S = k = 50 → k=50. L=150, S=100, sum = 250.
0.4L = 0.6S → L/S = 3/2 → L = 3k, S = 2k. L - S = k = 50 → k=50. L=150, S=100, sum = 250.
This question belongs to:
Maths
Percentage
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