Q: A man invested 1/3 of his income at 7% simple interest, 1/4 of his income at 8% simple interest and the remainder of his income at 10% simple interest. If the total interest at the end of one year was `561, what was his initial income?
एक व्यक्ति अपनी आय का 1/3 भाग 7% साधारण ब्याज पर, 1/4 भाग 8% साधारण ब्याज पर और अपनी आय का शेष भाग 10% साधारण ब्याज पर निवेश करता है। यदि वर्ष के अंत में प्राप्त कुल ब्याज `561 है, तो उसकी मूल आय कितनी थी?
A.
`4,500
B.
`6,600
C.
`7,500
D.
`3,000
Correct Answer:
Option B -
Explanations:
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