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The income of a person is Rs. 300,000 in the first year and he

Question

The income of a person is Rs. $300, 000$ in the first year and he receives an increase of Rs. $10000$ to his income per year for the next $19$ years. Find the total amount, he received in $20$ years.

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The income of a person is Rs.

300, 000

in the first year and he receives an increase of Rs.

10000

to his income per year for the next

19

years. Find the total amount, he received in

20

years.

14 mins ago

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14 mins ago

Text solutionVerified

Here,

a = 300, 000, d = 10, 000

and

n = 20

Let S be the total amount received in

20

years.

Then,

S u m

(S_{n}) = \frac{n}{2} [2 a + (n - 1) d]

S = \frac{20}{2} {2 \times 300, 000 + (20 - 1) \times 10, 000}

= Rs.

10 (600, 000 + 190, 000)

= Rs.

7900, 000

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Question Text	The income of a person is Rs. $300, 000$ in the first year and he receives an increase of Rs. $10000$ to his income per year for the next $19$ years. Find the total amount, he received in $20$ years.
Answer Type	Text solution:1
Upvotes	150