solve the problems 4.......
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i ) Selling price of watch ( s.p ) = Rs1190
Loss ( L ) = 15%
Let the cost price = ( c. p )
c.p = ( 100 × s.p )/( 100 - L )
= ( 100 × 1190 )/( 100 - 15 )
= ( 100 × 1190 )/85
= Rs 1400
ii ) Cost price ( c.p ) = Rs 1400
gain ( g ) = 5%
Let the selling price = s.p
s.p = c .p × ( 100 + g )/100
= 1400 × ( 100 + 5 )/100
= 14 × 105
= Rs 1470
••••
i ) Selling price of watch ( s.p ) = Rs1190
Loss ( L ) = 15%
Let the cost price = ( c. p )
c.p = ( 100 × s.p )/( 100 - L )
= ( 100 × 1190 )/( 100 - 15 )
= ( 100 × 1190 )/85
= Rs 1400
ii ) Cost price ( c.p ) = Rs 1400
gain ( g ) = 5%
Let the selling price = s.p
s.p = c .p × ( 100 + g )/100
= 1400 × ( 100 + 5 )/100
= 14 × 105
= Rs 1470
••••
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