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The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum is
  • a)
    Rs. 7000
  • b)
    Rs. 7,500
  • c)
    Rs. 8000
  • d)
    Rs. 8,500
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The simple interest on a certain sum at the rate of 4% per annum in 4 ...
Let the principal be P
SI = P xT x R/100
difference = P x 4 x 4 /100 - P x 5 x 3/100
= 16P/100 - 15P/100 = 80
P = 8000 Rs.
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Most Upvoted Answer
The simple interest on a certain sum at the rate of 4% per annum in 4 ...
Given data:
Rate of interest for first 4 years = 4%
Rate of interest for next 3 years = 5%
Difference in interest = Rs. 80

Let the sum be x

Calculation:
Simple Interest (SI) for first 4 years at 4% rate = (x*4*4)/100 = (16x/100)

SI for next 3 years at 5% rate = (x*5*3)/100 = (15x/100)

According to the question,

(16x/100) - (15x/100) = 80

x/100 = 80

x = Rs. 8000

Therefore, the sum is Rs. 8000.
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The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum isa)Rs. 7000b)Rs. 7,500c)Rs. 8000d)Rs. 8,500Correct answer is option 'C'. Can you explain this answer?
Question Description
The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum isa)Rs. 7000b)Rs. 7,500c)Rs. 8000d)Rs. 8,500Correct answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum isa)Rs. 7000b)Rs. 7,500c)Rs. 8000d)Rs. 8,500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum isa)Rs. 7000b)Rs. 7,500c)Rs. 8000d)Rs. 8,500Correct answer is option 'C'. Can you explain this answer?.
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