Logical Reasoning Percentages, Ratios & Unit Calculations UHS 2025
PMDC Verified Question 7 of 19
How many trees are in the orchard?

Which of the statements below are needed to sufficiently answer this question?
i. Ibrahim is a farmer and looks after half of the trees in the orchard.
ii. 300 trees in the orchard are under Ibrahim’s care.
A
i is enough
B
ii is enough
C
both i and ii are needed
D
neither i nor ii are sufficient
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: both i and ii are needed
Concept: Data Sufficiency.

Formula: \(\text{Total} = \frac{\text{Known Count}}{\text{Fraction}}\)

Solution:

  • Statement (i) gives the fraction (\(1/2\)).


  • Statement (ii) gives the exact count (\(300\)).


  • Combined: \(\text{Total} = \frac{300}{0.5} = 600\text{ trees}\). Both statements are necessary.


Why other options are incorrect:

• Options A and B: Neither statement alone provides both fraction and absolute number.

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