Aptitude - Simple Interest - Discussion
Discussion Forum : Simple Interest - General Questions (Q.No. 4)
4.
How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
Answer: Option
Explanation:
years Discussion:
65 comments Page 3 of 7.
Anirudha said:
8 years ago
450*4.5% = Rs 18 per year.
To find time 81/18 = 4.5.
To find time 81/18 = 4.5.
Sanjay said:
8 years ago
We can check by options also;
We know that S.I=PTR/100.
A.(450*3.5*4.5) ÷ 100=70.8,
B.(450*4*4.5) ÷ 100=81(ans) means 4years,
C.(450*4.5*4.5) ÷ 100=91.1
D.(450*5*4.5)÷100=1001.2.
We know that S.I=PTR/100.
A.(450*3.5*4.5) ÷ 100=70.8,
B.(450*4*4.5) ÷ 100=81(ans) means 4years,
C.(450*4.5*4.5) ÷ 100=91.1
D.(450*5*4.5)÷100=1001.2.
Naowaz said:
8 years ago
Here, I = (P x r x t/100).
Bishal Upadhyay said:
7 years ago
simple as that;
t = (100*81)/(450*4.5),
= 8100/{450*45/10},
= 8100/2025,
= 4.
t = (100*81)/(450*4.5),
= 8100/{450*45/10},
= 8100/2025,
= 4.
Vamsi reddy said:
7 years ago
100% = 450,
4.5%*x = 81,
X = 4.
4.5%*x = 81,
X = 4.
Hemalatha said:
7 years ago
The amount is 1200.
The rate of interest-4.5%,
Thus, amount /interest =si for a year.
1200/4.5--->20.25.
Now, the interest amount 81.
81/20.25===>4years.
The rate of interest-4.5%,
Thus, amount /interest =si for a year.
1200/4.5--->20.25.
Now, the interest amount 81.
81/20.25===>4years.
Naveen said:
6 years ago
= 100*81/450*4.5,
= 20*18/90,
= 36/9,
= 4 years (so simple).
= 20*18/90,
= 36/9,
= 4 years (so simple).
Ayesha said:
6 years ago
How P is the sum?
P is principle right. A is total amount. How it will come as years?
P is principle right. A is total amount. How it will come as years?
Anand said:
6 years ago
Thanks @Rajesh.
Prabhanshu said:
6 years ago
In this question principal is given or amount is given since as we know amount = principal + simple interest ?
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