Question
Download Solution PDFसाधारण ब्याज पर एक धनराशि 20 वर्षों में चार गुना हो जाती है। ब्याज दर ज्ञात कीजिये.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया:
एक धनराशि साधारण ब्याज पर 20 वर्ष में चार गुनी हो जाती है।
प्रयुक्त सूत्र:
साधारण ब्याज (SI) = PRT / 100
राशि (A) = P + SI
गणना:
माना मूल राशि P है।
राशि (A) = 4P
इसलिए, साधारण ब्याज (SI) = राशि - मूलधन = 4P - P = 3P
अब,
SI = PRT/ 100
3P = P × r × 20 / 100
⇒ 3 = r × 1/5
⇒ r = 3 × 5 = 15%
∴ सही उत्तर 15% है।
Last updated on Jun 11, 2025
-> UP Police Constable 2025 Notification will be released for 19220 vacancies by June 15th 2025.
-> Check UPSC Prelims Result 2025, UPSC IFS Result 2025, UPSC Prelims Cutoff 2025, UPSC Prelims Result 2025 Name Wise & Rollno. Wise
-> UPPRPB Constable application window is expected to open in June 2025.
-> UP Constable selection is based on Written Examination, Document Verification, Physical Measurements Test, and Physical Efficiency Test.
-> Candidates can attend the UP Police Constable and can check the UP Police Constable Previous Year Papers. Also, check UP Police Constable Exam Analysis.