The average daily income of Mr. A and Mr. B is Tk. 350 , of Mr. B and Mr. C is Tk. 365 and of Mr. A and Mr. c is tk. 340 . what is the weekly income of Mr. A if he works 5 days in a week?

A Tk. 1,875
B Tk. 1,625
C Tk. 1,775
D Tk. 1,600

Correct Answer: Tk. 1,875

Let their daily incomes be A, B and C respectively. Now, A + B = 2 x 350 or,  A + B = 700 - - - - - - - - (i) Again,  B + C = 2 x 365 or,  B + C = 730 - - - - - - - - - - (ii) Again,  A + C = 2 x 340 or,  A + C = 680 - - - - - - - - - - (iii) {(i) + (ii) + (iii)}>>>   A + B + B + C + A + C = 700 + 730 + 680 or,  2(A + B + C) = 2110 or,   A + B + C = 1055 or,  A + 730 = 1055 or,  A = 1055 - 730 or,  A = 325 TK So, the weekly income of A = 5 x 325 = 1625 TK
Bissoy MCQ
#গণিত #গড় (Average) #Trust Bank Ltd #Trust Bank Ltd - Assistant Officer - 14.01.2011

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