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AIIMS Rishikesh & Jodhpur NO - 2017
Non Nursing Subjects
Hard

What is 45% of 25% of 1000?

Appeared in: AIIMS Rishikesh & Jodhpur NO - 2017

Explanation

  • The word 'of' in mathematical problems indicates multiplication.
  • To solve, convert the percentages to decimals: 45% becomes 0.45 and 25% becomes 0.25.
  • The equation is set up as: 0.45 × 0.25 × 1000.
  • First, calculate 25% of 1000, which is 0.25 × 1000 = 250.
  • Then, calculate 45% of that result: 0.45 × 250 = 112.5.

Why Other Options Were Wrong

  • Option A: This is an incorrect result obtained through miscalculation.
  • Option B: This is an incorrect result obtained through miscalculation.
  • Option C: This is an incorrect result obtained through miscalculation.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Percentage Calculation as background academic context rather than a clinical decision trigger.
  • While this is a general mathematics question, strong arithmetic skills are fundamental for safe nursing practice.
  • Nurses frequently use percentage calculations for tasks such as determining drug dosages, calculating IV drip rates, and interpreting lab results.
  • A simple calculation error can have significant consequences for patient safety, potentially leading to underdosing or overdosing of critical medications.
How to Approach the Question
  • Identify the question as a mathematical calculation involving percentages.
  • Recognize that the word 'of' signifies multiplication.
  • Convert the percentages into decimals (e.g., 45% = 0.45) or fractions (e.g., 25% = 1/4) for easier calculation.
  • Set up the multiplication problem: 0.45 × 0.25 × 1000.
  • Perform the calculation in steps or all at once.
  • Compare the final result with the given options to select the matching value.
Concept Tested & Keywords
  • Concept Tested: Percentage Calculation
  • Stem keywords: 45%, 25%, 1000
  • Lead-in keywords: What is

Question ID

Qkn-R7Q_pFiTuNe7D-n1qD

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