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A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period?
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A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simp...
Answer:
Step-by-step explanation:
Multiples of 2: 2;4;..100
Multiples of 5: 5;10..100
In the above series some numbers are repeated twice these are multiples of 10 i.e LCM of 2 and 5
Sum of integers which are divisible by 2 and 5 from 1 to 100=
(Sum of integers which are divisible by 2 from 1 to 100) + (sum of integers which are divisible by 5 from 1 to 100) -(sum of integers which are divisible by 10 from 1 to 100) =
(2+4+.. +100) +(5+10+.. +100) -(10+20+.100)
=2(1+2+3+..50) + 5(1+2+3+..20) -10(1+2+3+..+10)
=2(50(50+1)) �2 + 5(20(20+1)) �2 -10(10(10+1)) �2
=(50(51)) +5(10(20+1) -5(10(11)
50(51) +5(10(21)-5(10(11)
=2550+1050-550
=3600-550
=2550+1050-550
=3600-550
=3050
Therefore sum of integers from 1 to 100 which are divisible by 2 or 5 is 3050
This question is part of UPSC exam. View all CA Foundation courses
Most Upvoted Answer
A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simp...
Given:
Principal amount (P) = Rs. 7850
Time (t) = 7 months = 7/12 years
Rate of interest (R) = 8 1/2% per annum
Formula:
Simple Interest (SI) = (P * R * t) / 100
Calculation:
Substituting the given values into the formula, we can calculate the simple interest as follows:
SI = (7850 * 8.5 * (7/12)) / 100
= (7850 * 8.5 * 7) / (12 * 100)
= 5611.25 / 100
= Rs. 56.11
Amount to be repaid:
To calculate the total amount to be repaid, we need to add the principal amount and the simple interest.
Amount to be repaid = Principal + Simple Interest
= Rs. 7850 + Rs. 56.11
= Rs. 7906.11
Therefore, at the end of 7 months, the bank will have to repay a total amount of Rs. 7906.11.
Principal amount (P) = Rs. 7850
Time (t) = 7 months = 7/12 years
Rate of interest (R) = 8 1/2% per annum
Formula:
Simple Interest (SI) = (P * R * t) / 100
Calculation:
Substituting the given values into the formula, we can calculate the simple interest as follows:
SI = (7850 * 8.5 * (7/12)) / 100
= (7850 * 8.5 * 7) / (12 * 100)
= 5611.25 / 100
= Rs. 56.11
Amount to be repaid:
To calculate the total amount to be repaid, we need to add the principal amount and the simple interest.
Amount to be repaid = Principal + Simple Interest
= Rs. 7850 + Rs. 56.11
= Rs. 7906.11
Therefore, at the end of 7 months, the bank will have to repay a total amount of Rs. 7906.11.
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A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period?
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A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period? for CA Foundation 2025 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period? covers all topics & solutions for CA Foundation 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period?.
A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period? for CA Foundation 2025 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period? covers all topics & solutions for CA Foundation 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bank advances Rs. 7850 for 7 months at rate of 8 1/2% per annum simple interest what sums will have to be repaid at the end of this period?.
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