Q88.The number of matrices of order 3 ร 3, whose entries are either 0 or 1 and the sum of all the entries is a prime number, is _______.
What This Question Tests
This problem involves finding the number of ways to place 0s and 1s in a 3x3 matrix such that the sum of all entries is a prime number, requiring knowledge of combinations.
Concepts Tested
Formulas Used
nCr = n! / (r! * (n-r)!)
๐ NCERT Sections This Tests
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
14.2 โ Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 ยท Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
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?
๐ Question Details
- Chapter
- Permutation & Combination
- Topic
- Counting Matrices
- Year
- 2022
- Shift
- 29 Jul Shift 1
- Q Number
- Q88
- Type
- Numerical
- NCERT Ref
- Class 11 Mathematics Ch 7: Permutations and Combinations
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