Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 17
There are six teachers. Out of them, two teach physics, other two teach Chemistry and the rest two teach Mathematics. They have to stand in a row such that Physics, Chemistry and Mathematics teachers are always in a set. The numberof ways in which they can do, is :
Solution
There are 2 physics teacher.They can stand in a row in $$P(2,2)=2!=2\times1=2$$ ways
Similarly, the two Chemistry and Mathematics teacher can stand in 2 ways each.
These three sets can be arranged in themselves in $$3!=3\times2\times1=6$$ ways
=> Required number of ways = $$2\times2\times2\times6=48$$
=> Ans - (B)
Video Solution
Create a FREE account and get:
- All Quant Formulas and shortcuts PDF
- 40+ previous papers with detau solutions PDF
- Top 500 MBA exam Solved Questions for Free
CMAT Quant Questions | CMAT Quantitative Ability
CMAT Averages, Ratio and Proportion QuestionsCMAT Venn Diagrams QuestionsCMAT Quadratic Equations QuestionsCMAT Linear Equations QuestionsCMAT Progressions and Series Questions
CMAT DILR Questions | LRDI Questions For CMAT
CMAT Arrangement QuestionsCMAT Logical Reasoning QuestionsCMAT Set Theory QuestionsCMAT Charts QuestionsCMAT Data Interpretation Basics Questions
