Allied & ICAR Exam Bank • ALLIED_1740 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Logic Deduction & Pattern Recognition

Question Statement:

In an agricultural engineering cohort of 100 students: 48 study Hydrology, 39 study Farm Power, 35 study Soil Mechanics; 20 study Hydrology and Farm Power, 15 study Farm Power and Soil Mechanics, 18 study Hydrology and Soil Mechanics; 10 study all three subjects. How many students study NONE of these three subjects?

Options:

  • (A) 21
  • (B) 25
  • (C) 18
  • (D) 15

Answer Key:

A

Step-by-Step Solution & Explanation

$n(H \cup FP \cup SM) = (48 + 39 + 35) - (20 + 15 + 18) + 10 = 122 - 53 + 10 = 79$. None $= 100 - 79 = 21$.
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