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To verify the cash balance, the auditor ...

To verify the cash balance, the auditor of Jaya Bank Ltd. Employs his assistant to count cash in hand of Rs. 4500. At first he counts @ Rs. 150 per minute for 10 minutes only, at the end of which time he begins to count @ Rs.2 less every minute than he did in the previous minute. Ascertain how much time he will take to count Rs. 4500 ?

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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 B (Long Answer Type Questions)
  1. The first and last terms of an A.P. are a and l respectively. If S be ...

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  2. If the first, second and last terms of A.P. be a, b, and c respectivel...

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  3. If S(n) be the sum of n consecutive terms of an A.P. show that, S(n+...

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  4. If S(n) be the sum of n consecutive terms of an A.P. show that, S(n+...

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  5. Let a(n) denote the n-th term of an A.P. and p and q be two positive i...

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  6. Find the sum of the three-digited natural numbers which leave a remain...

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  7. Between the roots of the quadratic equation 3px^(2) - 10px + 5q = 0 (p...

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  8. Let a(n) be the nth term of an A.P. and a(3) + a(5) + a(8) + a(14) + a...

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  9. Find the sum upto the nth term of the series (1+3) + (5+7+9+11) + (13 ...

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  10. If S(1), S(2), S(3) are the sums of n natural numbers, their squares, ...

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  11. If a(1) = 2 and a(n) - a(n-1) = 2n (n ge 2), find the value of a(1) + ...

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  12. Find the middle term of the series 1+5+9+…+101.

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  13. If (b^(2) + c^(2) - a^(2))/(2bc), (c^(2) + a^(2) - b^(2))/(2ca), (a^(2...

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  14. To verify the cash balance, the auditor of Jaya Bank Ltd. Employs his ...

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  15. A polygon has 25 sides, the lengths of which starting from the smalles...

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  16. A sets out from a certain place and tavels 1 mile the first day, mile...

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  17. A man arranges to pay off a debt of Rs. 12000 in 30 annual instalments...

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  18. A man divides Rs. 24000 among his four sons in such a way that the amo...

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  19. Two posts are offered to a man. In the first one, the starting salary ...

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  20. The salary of a man starts at Rs. 800 and increases annually by Rs. 20...

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