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Two farmers Ramkishan and Gurucharan Si...

Two farmers Ramkishan and Gurucharan Singh cultivates only three varieties of rice namely Basmati ,Permal and Naura .The sales (in Rs.) of thse varities of irce by both the farmers in the months of September and October are given by the following matrices A and B .
September sales (in Rs.)

If both farmers receive `2%` profit on gross sales , then computer the profit for each variety sold in October .

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ARIHANT PUBLICATION-MATRICES -CHAPTER PRACTICE (Very Short Answer Type Questions)
  1. Two farmers Ramkishan and Gurucharan Singh cultivates only three var...

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  2. What possible orders of a matrix can have , if it has (i) 5 elemen...

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  3. Construct 2xx2 matrix , A=[a(ij)] whose elements are given by a(ij)=...

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  4. Find the number of all possible matrices of order 3xx3 with each of ...

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  5. If A = [ {:(cos alpha, - sin alpha),(sin alpha, cos alpha):}], then fo...

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  6. If [{:(x+3,z+4,2y-7),(-6,a-1,0),(b-3,-21,0):}]=[{:(0,6,3y-2),(-6,-3,2c...

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  7. If Possible , then find the sum of the matrices A and B , where A=[{:(...

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  8. Simplify[{:(cos^(2)x,sin^(2)x),(sin^(2)x,cos^(2)x):}]+[{:(sin^(2)x,cos...

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  9. Find the value of y and x from the following equation 2[{:(x,5),(7,y-...

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  10. Find non - zero values of x satisfying the matrix equation x[{:(2x,...

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  11. Solve for x and y , x [{:(2),(1):}]+y[{:(3),(5):}]=[{:(-8),(-11):}]

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  12. If A=[{:(2,4),(3,2):}]andB=[{:(1,3),(-2,5):}], then find A-B.

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  13. If [{:(9,-1,4),(-2,1,3),(1,2,-1):}]=A+[{:(1,2,-1),(0,4,9),(3,1,-2):}] ...

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  14. Assume Y, W and P are the matrices of orders 3xxk,nxx3andpxxk .Find t...

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  15. Let A=[a(ij)](nxxn) be a diagonal matrix whose diagonal elements are...

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  16. Suppose A=[{:(5,4),(2,3):}]andB=[{:(3,5,1),(6,8,4):}] , then find AB a...

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  17. Find x from the matrix equation [{:(1,3),(4,5):}][{:(x),(2):}]=[{:(5)...

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  18. If matrix A=[{:(1,-1),(-1,1):}]andA^(2)=kA , then write the value of k...

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  19. Show by an example that for AneO,BneOandAB=O.

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  20. If A=[{:(1,2),(3,4):}]then find A+A .

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  21. If A=[{:(0,-1,2),(4,3,-4):}]andB=[{:(4,0),(1,3),(2,6):}] then verify t...

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