Find the rate of interest if ₹1,000 amounts to ₹1,210 in 2 years, compounded annually.
यदि वार्षिक रूप से संयोजित होने पर ₹1,000 की राशि 2 वर्षों में ₹1,210 हो जाती है, तो ब्याज दर (Rate of interest) ज्ञात कीजिए।
Answer और ExplanationAnswer and explanation
Answer: (D) 10%
AP = 12101000 = 121100 = (1110)²
इसलिए 1 + R100 = 1110 ⇒ R = 10
✓
ब्याज दर (Rate of ब्याज (Interest)) 10% प्रति वर्ष है।
AP = 12101000 = 121100 = (1110)²
So 1 + R100 = 1110 ⇒ R = 10
✓
The rate is 10% per annum.
Source: Selection Post Phase XIV (Graduate) · 22 Sep 2026 · Shift 1। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (Graduate) · 22 Sep 2026 · Shift 1. Solution by Prashant Sir, from Vijayastra.