Q63.The number of ways in which 5 boys and 3 girls can be seated on a round table if a particular boy B1 and a particular girl G1 never sit adjacent to each other, is: (1) 7! (2) 5 × 6! (3) 6 × 6! (4) 5 × 7!
What This Question Tests
This question tests the ability to calculate circular permutations with a negative restriction (two particular individuals not sitting adjacent) using the complement principle.
Concepts Tested
Formulas Used
(n-1)!
n! - P(restricted)
📚 NCERT Sections This Tests
5.12 — Write All The Geometrical Isomers Of [Pt(Nh3)(Br)(Cl)(Py)] And How Many Of
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5.12 Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?
5.11 — Draw All The Isomers (Geometrical And Optical) Of:
Chemistry Class 11 · Chapter 5
5.11 Draw all the isomers (geometrical and optical) of: (i) [CoCl2(en)2] + (ii) [Co(NH3)Cl(en)2] 2+ (iii) [Co(NH3)2Cl2(en)]+
6.11 — Dynamics Of Rotational
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6.11 Dynamics of rotational the motion of extended bodies. motion about a fixed axis A large class of problems with extended bodies can be
📋 Question Details
- Chapter
- Permutation & Combination
- Topic
- Circular Permutations, Restricted arrangements
- Year
- 2017
- Shift
- 09 Apr Online
- Q Number
- Q63
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 7: Permutation and Combination
More from this Chapter
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