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The rate of monthly salary of an office ...

The rate of monthly salary of an office assistant is increased annually in A.P. If he was drawing Rs. 2000 a month during the 11th year and Rs.3800 a month during 29th year, find out his initial salary and rate of annual increment. Find out also his salary at the time of retirement on completion of 32 years of service.

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The correct Answer is:
Rs. 1000, Rs. 100 and Rs. 4100
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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 B (Short Answer Type Questions)
  1. If a, b, c are In A.P., then show that, (1)/(b c), (1)/(c a), (1)/(a...

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  2. If the pth , qth and rth terms of an A.P. be P, Q and R respectively t...

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

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  4. Let a(a != 0) is a fixed real number and (a-x)/(p x) = (a-y)/(qy) = (a...

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  5. If a+c = 2b and ab + cd + ad = 3bc, prove that the four numbers a, b, ...

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  6. Find the least value of n for which the sum of the series 20 + 28 + 36...

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  7. The nth term of a series in A.P. is an + b. Find the sum of the series...

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  8. Find the sum of the series 1^(2) - 2^(2) - 3^(2) - 4^(2) + 5^(2) - 6^(...

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  9. The perpendicular of a right angled triangle is 9 cm and the three sid...

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  10. If the xth term of an A.P. is (1)/(y) and its yth term is (1)/(x) then...

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  11. An A.P. consists of n terms. If the sum of its first three terms is x ...

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  12. If S be the sum of first (2n+1) terms of an A.P and the sum of terms i...

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  13. The sum of first p terms of an A.P. is (p^(2))/(n) and the sum of its ...

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  14. If the A.M. of (1)/(b-a) and (1)/(b-c) is (1)/(2(b-x)), then show that...

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  15. A farmer undertakes to pay off a debt of Rs. 2700 by monthly instalmen...

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  16. A person pays Rs.975 in monthly instalments, each instalment is less t...

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  17. If 1 paisa is saved today, 2 paise next day, 3 paise succeeding day an...

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  18. The cost of sinking a tubewell is 25 paise for the first metre and an ...

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  19. The rate of monthly salary of an office assistant is increased annuall...

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  20. The angles of a polygon are in A.P. lying common difference 5^(@). If ...

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