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The interest earned on Rs 8000 when invested in some scheme for 2 years at 7 % simple interest, per annum is half of the interest earned on another amount P invested for five years in the same scheme at the same rate of interest. Find the value of P.

1. 6200
2. 6000
3. 6400
4. 5000

किसी योजना में 2 वर्ष के लिए 7% प्रति वर्ष साधारण ब्याज पर निवेश किए गए 8000 रुपये पर अर्जित ब्याज उसी योजना में उसी ब्याज दर पर पांच वर्ष के लिए निवेश की गई दूसरी राशि P पर अर्जित ब्याज का आधा है। P का मान ज्ञात कीजिए।

1. 6200
2. 6000
3. 6400
4. 5000
This Question came in
UGC-NET-EnvSci-25-June-2025-Shift-1-Q28
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Detailed Explanation & Answer
Given for condition 1
P = 8000
T = 2
R = 7%
Hence,
SI = 8000x2x7/100 = 1120

Given for condition 2,
Interest earned = 1120x2 = 2240
T = 5
R = 7
Hence P would be,
2240 = Px5x7/100
p = 2240x100/(5x7) = 6400
शर्त 1 के लिए दिया गया है
P = 8000
T = 2
R = 7%
अतः,
SI = 8000x2x7/100 = 1120

शर्त 2 के लिए दिया गया है,
अर्जित ब्याज = 1120x2 = 2240
T = 5
R = 7
अतः P होगा,
2240 = Px5x7/100
p = 2240x100/(5x7) = 6400
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