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There are 2 families A and B. There are ...

There are 2 families A and B. There are 4 men, 6 women and 2 children is family A, and 2 men, 2 women and 4 children in family B. The recommend daily amount of calories is 2400 for men, 1900 for women, 1800 for children and 45 grams of proteins for men, 55 grams for women and 33 grams for children. Represent the above information using matrix. Using matrix multiplication, calculate the total requirement for calories and proteins for each of the two families. What awareness can you create among people about the planned diet from this question?

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There are 2 families A and B. There are 4 men, 6 women and 2 children in family A, and 2 men, 2 women 4 children in family B. The recommend daily amount of calories is 2400 for men, 1900 for women, 1800 for children and 45 grams of proteins for men, 55 grams for women and 33 grams for children. Represent the above information using matrix. Using matrix multiplication, calculate the total requirement of calories and proteins for each of the two families. What awareness can you create among people about the planned diet from this question?

There are two families A and B.In family A, there are 4 men, 6 women and 2 children : and in family B, there are 2 men, 2 women and 4 children. The recommended daily requirement of Calories is Men: 2400 ; Women: 1900 ; Children: 1800 Also daily requirement for protein is Men: 55 gm ; Women:45 gm and Children:33 gm Calculate the total requirement of calories and proteins for each of the two families. Using matrix method.

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. If A is a square matrix, using mathematical induction prove that (A^T)...

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  2. If A and B are square matrices of the same order such that A B=B A , t...

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  3. There are 2 families A and B. There are 4 men, 6 women and 2 children ...

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  4. If A={:[(-1),(2),(3)]:} and B=[-2" "-1" "-4] then verify that (AB)^(T)...

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  5. If: [(xy,5x) , (z+6,y^2+1)]=[(8,w),(0,6)], then find the values of x ,...

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  6. The sales figure of two car dealers during January 2013 showed that ...

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  7. If A^T=[[3, 4],[-1, 2], [0 ,1]] and B=[[-1, 2, 1],[ 1, 2, 3]], find A^...

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  8. If l1,""""m1,""""n1 and l2,""""m2,""""n2 are the direction cosines ...

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  9. Construct a 2xx3 matrix A=[a(i j)] whose elements are given by a(i j)=...

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  10. Construct a3×2m a t r i xA=[a(i j)] whose elements are given by a(i j...

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  11. For what values of x and y such that matrices A and B are equal ? ...

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  12. If [[x-y, z], [2x-y,omega]]=[[-1, 2], [4, 7]],then x , y , z ,omegado...

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  13. Construct a 3×4m a t r i c A=[a(i j)] whose elements are given by a(i ...

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  14. [[ x-y,2x+z] , [ 2x-y,3z+w ]] = [[ -1, 5 ] , [ 0, 13 ]], then ,x,y...

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  15. Find the values of x , y , za n da which satisfy the matrix equation [...

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  16. In a certain city there are 30 colleges. Each college has 15 peons, 6 ...

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  17. If A=[(1,-1) ,(2 ,3)],B=[(2, 1), (1, 0)],p rove t h a t (A+B)^2!=A^2+...

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  18. Find a matrix X such that 2A+B+X=0 , where A= [(-1, 2) ,(3, 4)],B=[(3,...

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  19. If X and Y are 2xx2 matrices, then solve the following matrix equat...

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  20. If A=[(alpha,0), (1, 1)]a n d B=[(1, 0), (5, 1)], find the values of a...

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