Asked in MDCAT Test Series 32 — Fluid Dynamics

Directions: Read the following information and give answer.A, B. C, D and E are five friends. B is elder to E, but not as tall as C. C is younger to A. and is taller to D and E. A is taller to D, but younger than E. D is elder to A but is shortest in the group.If F, another friend, is taller than C, how many of them will be between F and E according to their height?

Correct answer: C. Two

  • A. Three
  • B. One
  • C. Two
  • D. None of these

Explanation

To solve the question, we must first arrange the friends by height using the provided clues: D is the shortest, A is taller than D, C is taller than D and E, B is shorter than C, and F is taller than C. This results in the height order: F, C, A, B, E, D. Between F and E, there are two individuals: C and A, making 'Two' the correct answer. Options 'Three' and 'One' are incorrect because they do not reflect the accurate number of friends between F and E. 'None of these' is also incorrect because the correct count is provided in one of the options.

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About Fluid Dynamics

Fluid flow is described through speed, pressure and density, including steady flow and the equation of continuity for conserving mass. Bernoulli's equation relates pressure, speed and height, while fluid drag and terminal velocity explain why a falling object eventually moves at constant speed when drag balances its weight.

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