 Home
 General Aptitude
 True Discount
16.
The interest on Rs. 750 for 2 years is the same as the true discount on Rs. 960 due 2 years hence. If the rate of interest is the same in both cases, it is:
 A.12%
 C.15%
 B.14%

D.16
2 % 3
 Answer & Explanation
 Report
Answer : [B]
Explanation :
Explanation :
S.I. on Rs. 750 = T.D. on Rs. 960.  
This means P.W. of Rs. 960 due 2 years hence is Rs. 750.  


Thus, S.I. on R.s 750 for 2 years is Rs. 210.  


17.
Find the present worth (PW) and the true discount reckoning 6% per annum simple interest of Rs. 176 due in 20 months time –
 A.Rs. 160, Rs. 16
 C.Rs. 150, Rs. 26
 B.Rs. 130, Rs. 46
 D.None of these
 Answer & Explanation
 Report
Answer : [A]
Explanation :
Explanation :








18.
The present worth of a bill due 7 months hence is Rs. 1200 and if the bill were due at the end  


bill  
 A.10%, Rs. 1270
 C.16%, Rs. 1570
 B.8%, Rs. 1720
 D.18%, Rs. 1560
 Answer & Explanation
 Report
Answer : [A]
Explanation :
Explanation :
Sum due = P.W. + T.D. = P.W. + S.I. on P.W.  
Now, sum due = (Rs. 1200 + S.I. on Rs. 1200 for 7 months)  














Also, sum due = Rs. 1200 + (S.I. on Rs. 1200 for 7 months ar 10%)  




19.
If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is 
 A.Rs. 20
 C.Rs. 22
 B.Rs. 21.81
 D.Rs. 18.33
 Answer & Explanation
 Report
Answer : [D]
Explanation :
Explanation :
S.I. on Rs. (110  10) for a given time = Rs. 10  
S.I. on Rs. 100 for double the time = Rs. 20  






20.
If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is:
 A.Rs. 20
 C.Rs. 22
 B.Rs. 21.81
 D.Rs. 18.33
 Answer & Explanation
 Report
Answer : [D]
Explanation :
Explanation :
S.I. on Rs. (110  10) for a certain time = Rs. 10.  
S.I. on Rs. 100 for double the time = Rs. 20.  
T.D. on Rs. 120 = Rs. (120  100) = Rs. 20.  

