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The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the rate percent per annum. The rate percent per annum is :

1. 3 %
2. 0.33 %
3. 3.33 %
4. 2.33 %

किसी धनराशि पर साधारण ब्याज मूलधन का 1/9 है और वर्षों की संख्या वार्षिक दर प्रतिशत के बराबर है। दर प्रतिशत प्रति वर्ष है:

1. 3%
2. 0.33%
3. 3.33%
4. 2.33%
This Question came in
UGC-NET-English-13-October-2022-Shift-1-Q22
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Detailed Explanation & Answer
Simple interest (SI) = (P * R * T) / 100
Given, SI = (1/9) * P
Also, T = R (since the number of years is equal to the rate percent per annum)
Substitute the given values into the formula for SI:
(1/9) * P = (P * R * R) / 100
1/9 = R^2 / 100
R^2 = 100 / 9
R = √(100 / 9)
R = 10 / 3
R% ≈ 3.33%
साधारण ब्याज (SI) = (P * R * R) / 100
दिया गया है, SI = (1/9) * P
इसके अलावा, T = R (चूंकि वर्षों की संख्या प्रति वर्ष दर प्रतिशत के बराबर है)
दिए गए मानों को SI के सूत्र में रखें:
(1/9) * P = (P * R * R) / 100
1/9 = R^2 / 100
R^2 = 100 / 9
R = √(100 / 9)
R = 10 / 3
R% ≈ 3.33%
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