RRB NTPC (Undergraduate)19 Jun 2026Shift 1Simple Interest

The simple interest on a certain sum for 4 years at 10% interest per annum is ₹3,200. What will be the amount payable after 6 years at the same rate?

एक निश्चित राशि पर 10% वार्षिक ब्याज की दर से 4 वर्षों में प्राप्त साधारण ब्याज (Simple interest) ₹3,200 है। उसी दर से 6 वर्षों के बाद देय राशि कितनी होगी?

Answer और ExplanationAnswer and explanation

Answer: (A) ₹12,800

P = 3,200 × 10010 × 4 = ₹8,000
6 साल बाद मिश्रधन (Amount) = 8,000 × (1 + 10 × 6100) = 8,000 × 1.6 = ₹12,800
✓
मिश्रधन ₹12,800 है।
P = 3,200 × 10010 × 4 = ₹8,000
Amount after 6 years = 8,000 × (1 + 10 × 6100) = 8,000 × 1.6 = ₹12,800
✓
The amount is ₹12,800.

Source: RRB NTPC (Undergraduate) · 19 Jun 2026 · Shift 1। Solution: Prashant Sir, Vijayastra।Source: RRB NTPC (Undergraduate) · 19 Jun 2026 · Shift 1. Solution by Prashant Sir, from Vijayastra.