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26.
The banker's gain on a certain sum due 1
1
2
 years hence is
3
25
  of the banker's discount  
The rate percent is:
  • A.
    5
    1 %  
    5  
  • C.
    8
    1 %  
    8  
  • B.
    9
    1 %  
    9  
  • D.
    6
    1 %  
    6  
  • Answer & Explanation
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Answer : [B]
Explanation :
Let, B.D. = Re 1. Then, B.G. = Re
3
25
     
 
  T.D. = (B.D. - B.G.) = Re   1 -
3
25
   = Re
22
25
 
Sum =  
1 x
22
25
1 -
22
25
 
 = Rs.
22
3
 
   
S.I. on Rs.
22
3
 for 1
1
2
 years is Re 1.  
 
  Rate =  
100 x 1
22
3
x
3
2
 
% = 9
1
9
%  
 
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27.
The present worth of a sum due sometime hence is Rs. 576 and the banker's gain is Rs. 16. The true discount is:
  • A.
    Rs. 36
  • C.
    Rs. 48
  • B.
    Rs. 72
  • D.
    Rs. 96
  • Answer & Explanation
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Answer : [D]
Explanation :
T.D. = P.W. x B.G. = 576 x 16  = 96.        
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