a man saves rs.16500 in ten years. in each year after the first he saved rs.100 more than he did in the preceding year. how much did he save in the first year?
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Let 1st amount be x
x+x+100+x+200+x+300+x+400+ x+500+x+600+x+700+x+800+x+900
=16500
10x+4500=16500
10x=16500-4500=12000
X=1200
x+x+100+x+200+x+300+x+400+ x+500+x+600+x+700+x+800+x+900
=16500
10x+4500=16500
10x=16500-4500=12000
X=1200
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