In what time will Rs.8000 amount to Rs.8240 at 4% per annum simple interest?
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Given,
Principal = 8000
Amount = 8240
Rate = 4%
—————-
S.I. = A - P
S.I. = 8240 - 8000
S.I. = 240
Time = x ( let it be x )
________________
S.I. = P*R*T/100
=> 240 = 8000*4*x/100
=> 240 = 320x
=> 320x = 240 ( Interchanging Sides )
=> x = 240/320
=> x = 3/4 year
( 3/4 is also equal to 9/12 )
=> x = 9/12 year
=> 9 months ( ANSWER )
Principal = 8000
Amount = 8240
Rate = 4%
—————-
S.I. = A - P
S.I. = 8240 - 8000
S.I. = 240
Time = x ( let it be x )
________________
S.I. = P*R*T/100
=> 240 = 8000*4*x/100
=> 240 = 320x
=> 320x = 240 ( Interchanging Sides )
=> x = 240/320
=> x = 3/4 year
( 3/4 is also equal to 9/12 )
=> x = 9/12 year
=> 9 months ( ANSWER )
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