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Doctors Medicines MCQs Q&A

  1. Statement II alone is sufficient to answer the question.
  2. Either statement I or statement II alone is sufficient to answer the question.
  3. Both Statements I and II together are not sufficient to answer the question.
  4. Statements I and II together are required to answer the question.
  5. Statement I alone is sufficient to answer the question.
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1 Answers

Option 3 : Both Statements I and II together are not sufficient to answer the question.

Suppose average weight of all the persons in the colony is ‘x’ kg.

Statement I and II:

40x – 56.5 × 3 + 137.5 = (x – 0.8) × 40

⇒ 40x – 32 = 40x – 32

Value of x can’t be calculated from this.

∴ Both Statements I and II together are not sufficient to answer the question.
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Related Questions

Questions below followed by three quantities. Find the relationship between them. Quantity I: In a class with a certain number of students if a teacher weighing 78 kg is added, then average weight of class is increased by 2 kg. If one more teacher weighing 66 kg is added, then the average weight of the class increases by 3.5 kg over the original average. What is the original average weight (in kg) of the class Quantity II: The average age of 16 students and their teacher's age is 16 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age Quantity III: Average weight of three friends A, B and C is 46 kg. Another person D joins the group and now the average is 45 kg. If another person E whose weight is 6 kg more than D, joins the group replacing A, then average weight of B, C, D and E becomes 47 kg. What is the weight of A (in kg)?
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