A main spent 10% of his money and then Rs.500 and then 10% of the remaining. if he had Rs. 360 left then he initially had
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initial money is a
90/100×(90/100× a -500)=360
90/100×a -500=400
9/10×a=900
a=1000
90/100×(90/100× a -500)=360
90/100×a -500=400
9/10×a=900
a=1000
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