एक धनराशि 10% वार्षिक साधारण ब्याज की दर से 2 वर्षों में ₹4080 हो जाती है। उसी धनराशि पर उसी ब्याज दर से 1 वर्ष का साधारण ब्याज (₹ में) क्या है?

This question was previously asked in
RPF Constable 2024 Official Paper (Held On 03 Mar, 2025 Shift 2)
View all RPF Constable Papers >
  1. 340
  2. 680
  3. 170
  4. 1360

Answer (Detailed Solution Below)

Option 1 : 340
Free
General Science for All Railway Exams Mock Test
2.1 Lakh Users
20 Questions 20 Marks 15 Mins

Detailed Solution

Download Solution PDF

दिया गया है:

ब्याज दर (R) = 10% प्रति वर्ष

समय (T) = 2 वर्ष

2 वर्षों के बाद मिश्रधन (A) = ₹4080

प्रयुक्त सूत्र:

मिश्रधन (A) = मूलधन (P) + साधारण ब्याज (SI)

साधारण ब्याज (SI) = (P × R × T) / 100

गणना:

⇒ A = P + SI

⇒ ₹4080 = P + (P × 10 × 2) / 100

⇒ ₹4080 = P + (20P / 100)

⇒ ₹4080 = P (1 + 20 / 100)

⇒ ₹4080 = P × (120 / 100)

⇒ P = ₹4080 × (100 / 120)

⇒ P = ₹3400

1 वर्ष का साधारण ब्याज = (P × R × T) / 100

⇒ SI = (₹3400 × 10 × 1) / 100

⇒ SI = ₹340

1 वर्ष का साधारण ब्याज ₹340 है।

Latest RPF Constable Updates

Last updated on Jun 19, 2025

-> The Railway Recruitment Board has released the RPF Constable 2025 Result on 19th June 2025.

-> The RRB ALP 2025 Notification has been released on the official website. 

-> The Examination was held from 2nd March to 18th March 2025. Check the RPF Exam Analysis Live Updates Here.

-> RPF Constable 2025 application status was released in January 20, 2025.

More Simple Interest Questions

More Interest Questions

Get Free Access Now
Hot Links: teen patti real teen patti glory all teen patti game teen patti star apk teen patti bodhi