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If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required?
Verified Answer
If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs....
Step-by-step explanation:
Let x be the part of investment of Rs. 1000 and ( 1 - x ) be the part of an investment of Rs. 500.
Total Investment = 1000x + ( 1 - x )100 = 1000x + 100 - 100x = 900x + 100
Total Earning = 90x + ( 1 - x )20 = 90x + 20 - 20x = 70x + 20
According to the Question,
70x + 20 = 50
70x = 50 - 20
70x = 30
x = 30/70
x = 3/7
Now, Total Investment = 900 � 3/7 + 100 = 385.7 +100 = 485.7 ≈ Rs. 486
This question is part of UPSC exam. View all CA Foundation courses
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If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs....
Investment Calculation for Earning Rs. 50
Given Information:
- Investment of Rs. 1000 yields an income of Rs. 90.
- Investment of Rs. 100 yields an income of Rs. 20.
To calculate the investment required for earning Rs. 50, we can follow the below steps:
Step 1: Calculate the income per rupee for the given investments:
- For an investment of Rs. 1000, the income per rupee is calculated as 90/1000 = Rs. 0.09.
- For an investment of Rs. 100, the income per rupee is calculated as 20/100 = Rs. 0.2.
Step 2: Calculate the investment required for earning Rs. 50:
- Let's assume the investment required to earn Rs. 50 is 'X'.
- Using the income per rupee calculated in Step 1, we can set up the following equation:
X * (income per rupee for Rs. 1000 investment) + X * (income per rupee for Rs. 100 investment) = Rs. 50
0.09X + 0.2X = 50
0.29X = 50
X = 50 / 0.29
X ≈ Rs. 172.41 (rounded to the nearest rupee)
Therefore, an investment of approximately Rs. 172.41 is required to earn Rs. 50.
Conclusion:
To earn Rs. 50, an investment of approximately Rs. 172.41 is required. By using the given information, we calculated the income per rupee for the two investments and then solved for the investment required to earn the desired amount.
Given Information:
- Investment of Rs. 1000 yields an income of Rs. 90.
- Investment of Rs. 100 yields an income of Rs. 20.
To calculate the investment required for earning Rs. 50, we can follow the below steps:
Step 1: Calculate the income per rupee for the given investments:
- For an investment of Rs. 1000, the income per rupee is calculated as 90/1000 = Rs. 0.09.
- For an investment of Rs. 100, the income per rupee is calculated as 20/100 = Rs. 0.2.
Step 2: Calculate the investment required for earning Rs. 50:
- Let's assume the investment required to earn Rs. 50 is 'X'.
- Using the income per rupee calculated in Step 1, we can set up the following equation:
X * (income per rupee for Rs. 1000 investment) + X * (income per rupee for Rs. 100 investment) = Rs. 50
0.09X + 0.2X = 50
0.29X = 50
X = 50 / 0.29
X ≈ Rs. 172.41 (rounded to the nearest rupee)
Therefore, an investment of approximately Rs. 172.41 is required to earn Rs. 50.
Conclusion:
To earn Rs. 50, an investment of approximately Rs. 172.41 is required. By using the given information, we calculated the income per rupee for the two investments and then solved for the investment required to earn the desired amount.
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If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required?
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If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required?.
If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If an investment of rs. 1000 and 100 yield qn income of rs. 90 and rs. 20 respectively. For earning rs. 50 investment required?.
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