Solve.
(1) In a district co-operative bank, Mr. Surendra invested Rs. 500 in 2001,
Rs. 1500 in 2002, Rs. 2500 in 2003. If he keeps on investing in the
bank upto 2020 in the same manner, how much investment will there
be in his account at the end of 2020 ?
- Rai
mmbare between 1 and 150.
Answers
Answered by
1
Step-by-step explanation:
Sn = n/2 [2a +(n-1)d}
=20/2 [2*500+ 19*1000]
=10[1000 +19000]
=10 [20000]
=200000
Therefore his total investment in 2020 is Rs2,00,000.
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