Principal os Rs. 7000 & rate is 7 p.c.p.a. How much year will it take to become amount Rs. 9450.
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Step-by-step explanation:
S.I= A-P
S .I=9450-7000
=Rs. 2450
S.I= P×T×R/100
2450=700×T×7/100
T=2450×100/700×7
= 2450/7×7
=2450/49
= 50 years
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