Answers XII Std - Business Maths & Stat EM - - Exercise . (d) (b) (a) (c) (d) (b) (b) (b) (a) (c) (c) (b) (c) (b) (c) (c) (b) (b) (a) (a) (b) (c) (d) (c) (a) Miscellaneous problems . r ( ) A = . r ( ) A = .
r ( ) A = . The given system is inconsistent and has no solution. . k = .
. The equations are inconsistent when k assumes any real value other than . . x and .
Cost of wheat is ₹ /kg, Cost of sugar is ₹ /kg and Cost of rice is ₹ /kg. . The rates of commission for A,B and C are ₹ , ₹ and ₹ respectively . %