A sum of Rs 12000 deposited at compound interest becomes double after 5 years . After 20 years, it will become
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Step-by-step explanation:
Year principal amount
after 5 yr. 1 ---> 2
". 10 yr 2---> 4
". 15 yr. 8---> 2
". 20 yr 8 ---> 16
any. after 20 yr
= 16* 12000
= 1,92,000
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