Q. The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:

A. 12%
B. 40/3%
C. 15%
D. 14%

• si of 4 month ie of 1/3 years=122
  so p=2562-122=2440
  now R=(si*100)/p*time
  so R=122*100*3/2440*1=15
  Option: C
• 11 years agoHelpfull: Yes(7) No(1)
• Ans. C. 15%
  
  The true discount on Rs. 2562 due 4 months hence is Rs. 122.
  Therfore Present Worth is = 2562-122 = 2440. It means that Rs. 122 is interest on Rs. 2440 for 4 months.
  Therefore rate perecent is: (122*100*12)/(2440*4)= 15%
  
  
• 12 years agoHelpfull: Yes(3) No(1)
• Acc to question
  si=122,p=2562-122=2440,t=4month=>4/12=1/3 year.
  SI=P*R*T/100=>r%=100*SI/P*T
  100*122*3/2440=15%
  hence write ans is Option: C
• 11 years agoHelpfull: Yes(3) No(0)
• The rate percent:
  (122/2562)*100*3=14.28%
  We can take 14% but it is not the right answer
• 12 years agoHelpfull: Yes(1) No(4)
• p.w=(2562-122)=2440
  s.i on rs 2440 for 4 months is rs 122
  rate=100*122/2440*1/3=15%
  
• 11 years agoHelpfull: Yes(1) No(0)
• T.D. = present worth * R * T/100
  so
  R = T.D*100/(P.W. * T)
  
  here T.D.= 122
  P.W.=2562-122=2440
  
  SO R= 122*100/(2440*(4/12))
  R=15%
• 11 years agoHelpfull: Yes(1) No(0)