A fruit seller had some Apples. He sells 80% Apples and has 840 Apples. Originally, the number of Apples he had was:

Appeared in: DSSSB 13 August 2024

Explanation

The core logic is that if 80% of the apples are sold, the remaining apples represent 100% - 80% = 20% of the original total.
The problem states that 840 apples are remaining, so 20% of the total is equal to 840.
To find the total (100%), you can set up the equation: 0.20 × Total = 840.
Solving for the total gives: Total = 840 / 0.20, which equals 4200.

Option A: This is a result of an incorrect calculation and does not logically follow from the problem's data.
Option C: This answer is a common mistake where the remaining number of apples (840) is incorrectly assumed to be 80% of the total, not the remaining 20%. (Calculation: 840 / 0.80 = 1050).
Option D: This is a result of a significant miscalculation and is not proportionally related to the given numbers.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Percentages and Proportions in Quantitative Aptitude as background academic context rather than a clinical decision trigger.
While not a clinical question, quantitative aptitude is a crucial skill for nurses, tested in many nursing entrance and recruitment exams.
This skill is directly applied in clinical practice for critical tasks like medication dosage calculation, IV fluid rate administration, and interpreting patient data trends.
For example, a nurse might need to calculate a 20% reduction in a medication dose or determine the total fluid intake based on a percentage consumed.

How to Approach the Question

First, read the problem carefully to identify the given information: percentage sold (80%) and the number remaining (840).
Determine what the question is asking for: the original total number of apples.
Calculate the percentage of items remaining. If 80% are gone, then 100% - 80% = 20% are left.
Set up a proportion or equation. You know that the remaining percentage (20%) is equivalent to the remaining quantity (840).
Let 'X' be the original total. The equation is: 0.20 * X = 840.
Solve the equation for 'X' to find the original amount. Then, match your result to the given options.

Concept Tested & Keywords

QAutdHsb-ce0k06hGdd1G-

Practise the full DSSSB 13 August 2024

Attempt every question from this paper in a timed mock, then review the full solution for each one.