Linear InequalitiesMCQPYQ June 24Question 1134 of 146
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A senior typist can type five reports and a junior typist can type three reports per day. But the management needs to complete at least 30\displaystyle 30 reports in a day. If S\displaystyle S and J\displaystyle J denote the number of senior and junior typists assigned for the work. Which of the following inequality represents the constraint?

Options

A5S+3J30\displaystyle 5S + 3J \le 30
B5S+3J35\displaystyle 5S + 3J \ge 35
C5S+3J30\displaystyle 5S + 3J \ge 30
D3S+5J30\displaystyle 3S + 5J \ge 30
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Correct Answer

Option b5S+3J35\displaystyle 5S + 3J \ge 35

All Options:

  • A5S+3J30\displaystyle 5S + 3J \le 30
  • B5S+3J35\displaystyle 5S + 3J \ge 35
  • C5S+3J30\displaystyle 5S + 3J \ge 30
  • D3S+5J30\displaystyle 3S + 5J \ge 30

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Detailed Solution & Explanation

Let S\displaystyle S be the number of senior typists and J\displaystyle J be the number of junior typists.

Let's write the constraint for reports completed daily:
- A senior typist types 5\displaystyle 5 reports per day, so S\displaystyle S typists type 5S\displaystyle 5S reports.
- A junior typist types 3\displaystyle 3 reports per day, so J\displaystyle J typists type 3J\displaystyle 3J reports.
- The total daily reports completed is 5S+3J\displaystyle 5S + 3J.
- The management needs to complete *at least* 30\displaystyle 30 reports in a day:
5S+3J305S + 3J \ge 30

This mathematically corresponds to Option C. However, the answer key designates Option B (5S+3J35\displaystyle 5S + 3J \ge 35) 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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