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The income of a person is Rs 3,00,000 in...

The income of a person is Rs 3,00,000 in the first year and he receives an increase of Rs 10,000 to his income per year for the next 19 years. Find the total amount, he received in 20 years.

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The correct Answer is:
Rs 79,00,000
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KUMAR PRAKASHAN-SEQUENCE AND SERIES-Testbook Illustrations for Practice Work
  1. If the sum of n terms of an A.P. is nP+1/2n(n-1)Q , where P and Q are...

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  2. The sum of n terms of two arithmetic progressions are in the ratio (3n...

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  3. The income of a person is Rs 3,00,000 in the first year and he receive...

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  4. Example 8 Insert 6 numbers between 3 and 24 such that the resulting se...

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  5. Find the 10^(th) and n^(th) terms of the G.P . 5, 25,125 ................

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  6. Which term of the G.P., 2,8,32, ... up to n terms is 131072 ?

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  7. In a GP the 3rd term is 24 and 6th term is 192. Find the 10th term.

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  8. Find the sum of first n terms and the sum of first 5 terms of the geom...

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  9. How many terms of the G.P.3,(3)/2,3/4 ..........are needed to give the...

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  10. The sum of first three terms of a G.P. is 13/12 and their product is –...

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  11. Find the sum of the sequence 7, 77, 777, 7777, ... to n terms.

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  12. A person has 2 parents, 4 grandparents, 8 great grandparents, and so o...

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  13. Insert three numbers between 1 and 256 so that the resulting sequence ...

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  14. If A.M. and G.M. of two positive numbers a and b are 10 and 8, respect...

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  15. Find the sum to n terms of the series : 5+11+19+29+41..........

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  16. Find the sum to n terms of the series whose n^("th") term is n (n+3).

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  17. If p^(th), q^(th), r^(th) and s^(th) terms of an A.P. are in G.P, the...

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  18. If a, b, c are in G.P. and a^(1/x) =b^(1/y)=c^(1/z) , prove that x, y...

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  19. If a, b, c, d and p are different real numbers such that (a^2 + b^2 + ...

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  20. If p,q,r are in G.P. and the equations, px^(2) + 2qx + r = 0 and dx^2+...

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