A.  130

B.  140

C.  150

D.  160

1
Correct Answer :
160
Explanation :

=> Total Hire charges = 520

=> Usage duration by A, B, and C = 7, 8, and 11 hours

=> Their ratio is 7 : 8 : 11

=> Charges paid by B = ( 8 / ( 7 + 8 + 11 ) ) x 520 = 520 x 8 / 26 = 160

=> So, B has to pay Rs.160/-


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