Please solve the following it is urgent thank you.
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Total amount invested is 5000 + 7000 + 9000 + 11000 + 13000 + 15000 + 17000 + 19000 + 21000 + 23000 + 25000 =165000
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a=5000
d=7000-5000=2000
Total investment=n/2 (2a+(n-1)d)
=12/2(2x5000+(12-1)2000)
=6(10000+22000)
=6x32000=192000
d=7000-5000=2000
Total investment=n/2 (2a+(n-1)d)
=12/2(2x5000+(12-1)2000)
=6(10000+22000)
=6x32000=192000
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