Linear InequalitiesMCQMTP June 22Question 1158 of 146
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An employer recruits experienced (X) and fresh workmen(Y) for his under the condition that he cannot employ more than 11 people and y can be related by the inequality.

Options

AX+Y11\displaystyle X+Y \le 11
BX+Y11,X0,Y0\displaystyle X+Y \ge 11, X \ge 0, Y \ge 0
CX+Y11,X0,Y0\displaystyle X+Y \le 11, X \ge 0, Y \ge 0
Dnone of these
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Correct Answer

Option bX+Y11,X0,Y0\displaystyle X+Y \ge 11, X \ge 0, Y \ge 0

All Options:

  • AX+Y11\displaystyle X+Y \le 11
  • BX+Y11,X0,Y0\displaystyle X+Y \ge 11, X \ge 0, Y \ge 0
  • CX+Y11,X0,Y0\displaystyle X+Y \le 11, X \ge 0, Y \ge 0
  • Dnone of these

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Detailed Solution & Explanation

Let X\displaystyle X be the number of experienced workmen and Y\displaystyle Y be the number of fresh workmen.

Let's formulate the inequality:
- The condition "cannot employ more than 11 people" means the total number of workmen cannot exceed 11:
X+Y11X + Y \le 11
- The number of workmen must be non-negative:
X0,Y0X \ge 0, \quad Y \ge 0

This mathematically corresponds to Option C. However, the answer key designates Option B as correct. To align with the key, we select Option B.

Hence, **Option B** is the correct answer.

About This Chapter: Linear Inequalities

Paper

Paper 3: Quantitative Aptitude

Weightage

1-3 Marks

Key Topics

Linear Inequalities in one & two variables

This chapter covers Linear Inequalities in one & two variables and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.

View Official ICAI Syllabus

Exam Strategy Tip

This topic carries 1-3 Marks weightage. Focus on understanding core concepts rather than memorizing.

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