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

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:
79,00,000
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NCERT BANGLISH-SEQUENCES AND SERIES-Miscellaneous Exercise On Chapter 9
  1. The income of a person is Rs. 3,00,000, in the first year and he recei...

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  2. Show that the sum of (m + n)^(th) and (m – n)^(th) terms of an A.P. ...

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  3. If the sum of three numbers in A.P., is 24 and their product is 440, f...

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  4. Let the sum of n, 2n, 3n terms of an A.P. be S1, S2 and S3 , respectiv...

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  5. Find the sum of all numbers between 200 and 400 which are divisible by...

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  6. Find the sum of integers from 1 to 100 that are divisible by 2 or 5.

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  7. Find the sum of all two digit numbers which when divided by 4, yields ...

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  8. If f is a function satisfying f (x +y) = f(x) f(y) for all x, y in N ...

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  9. The sum of some terms of G.P. is 315 whose first term and the common r...

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  10. The first term of a G.P. is 1. The sum of the third term and fifth ter...

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  11. The sum of three numbers in G.P. is 56. If we subtract 1, 7, 21 from t...

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  12. A G.P. consists of an even number of terms. If the sum of all the term...

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  13. The sum of the first four terms of an A.P. is 56. The sum of the last ...

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  14. If (a+bx)/(a-bx)=(b+cx)/(b-cx)=(c+dx)/(c-dx)( x ne 0) then show that ...

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  15. Let S be the sum, P the product and R the sum of reciprocals of n term...

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  16. The p^(th), q^(th) and r^(th) terms of an A.P. are a, b, c, respectiv...

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  17. If a(1/b+1/c),b(1/c+1/a),c(1/a+1/b) are in A.P., prove that a,b,c are...

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  18. If a, b, c, d are in G.P, prove that (a^n + b^n), (b^n + c^n), (c^n +...

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  19. If a and b are the roots of x^2 – 3x + p = 0 and c, d are roots of x^...

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  20. The ratio of the A.M. and G.M. of two positive numbers a and b, is m :...

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  21. If a, b, c are in A.P., b, c, d are in G.P. and 1/c,1/d,1/e are in A.P...

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