In 4years rs.6500 amounts to rs.8840 at a certain rate of interest. In what time will 1600 amounts to rs.1816 at the same rate.Explain in detail
Answers
Time = 4 years (given)
Principle = Rs 6500
Amount = Rs 8840
Interest = 8840 - 6500
Rs 2340
SI = P*R*T/100
2340 = (6500 × r × 4)/100
2340 = 26000r/100
2340 = 260r
r = 2340/260
r = 234/26
= 117/13
= 9
P = 1600
A = 1816
SI = 216
SI = (PRT)/100
216 = 1600 * 9 * t / 100
216 = 144t
t = 216/144 years
t = 3/2 years
Hope this help you........,
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Time = 4 years (given)
Principle = Rs 6500
Amount = Rs 8840
Interest = 8840 - 6500
Rs 2340
SI = P*R*T/100
2340 = (6500 × r × 4)/100
2340 = 26000r/100
2340 = 260r
r = 2340/260
r = 234/26
= 117/13
= 9
P = 1600
A = 1816
SI = 216
SI = (PRT)/100
216 = 1600 * 9 * t / 100
216 = 144t
t = 216/144 years
t = 3/2 years
Hope this help you........,
OR
This is your another answer
Time = 4 years (given)
Principle = Rs 6500
Amount = Rs 8840
Interest = 8840 - 6500
=> Rs 2340
2340 = (6500 × r × 4)/100
2340 = 26000r/100
2340 = 260r
r = 2340/260
r = 234/26
= 117/13
=> 9
______________________________________
P = 1600
A = 1816
SI = 216
SI = (prt)/100
216 = 1600×9×t ÷ 100
216 = 144t
t = 216/144 years
t = 1.5 years
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