Q82.The number of rational terms in the binomial expansion of 1 1 120 4 + 5 6 (4 ) is_______.
What This Question Tests
This numerical question requires applying combinations with 'at least' conditions, which typically involves summing combinations from multiple valid cases that satisfy the given criteria for bowlers, batsmen, and wicketkeepers.
Concepts Tested
Formulas Used
โฟCแตฃ = n! / (r! (n-r)!)
๐ NCERT Sections This Tests
1.3 โ Define The Following Terms:
Chemistry Class 11 ยท Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
5.12 โ Write All The Geometrical Isomers Of [Pt(Nh3)(Br)(Cl)(Py)] And How Many Of
Chemistry Class 11 ยท Chapter 5
5.12 Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?
8.17 โ Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products
Chemistry Class 12 ยท Chapter 8
8.17 Complete each synthesis by giving missing starting material, reagent or products
๐ Question Details
- Chapter
- Permutation & Combination
- Topic
- Combinations with conditions
- Year
- 2021
- Shift
- 20 Jul Shift 1
- Q Number
- Q82
- Type
- Numerical
- NCERT Ref
- Class 11 Mathematics Ch 7: Permutation and Combination
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