The true discount on a bill of Rs. 1260 due 1 year hence at 10% per annum is?
option
A. 117
B. 100
C. 120
D. None Of These

• Amount = 1260 R = 10% T = 1yr
  P.W(Present worth) = (100 * amount)/(100 + (R*T))
  = (100 * 1260)/(100 + (10*1))
  = 1145
  T.D(True Discount) = (P.W * R * T)/100
  = (1145 * 10 *1)/100
  = 114.5
  ans : none of these
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• 10% discount on 1260 is 126. Which is not there. So my answer is D.
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• we know by formula:- decreased amount by next year=P(1-(R/100))^T....here, P=1260, R=10 and T=1....so, it comes out as 1134....so true discount=P-decreased amount=1260-1134=126....
  hence, ans is D
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• for 1260/- 10% discount is 126/-
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• btech it me ordnance factory ke nontech part me tha ye questn 2015 wale me
  
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