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Shri A. K. Roy borrows Rs. 6000 to repay...

Shri A. K. Roy borrows Rs. 6000 to repay the amount with interest of Rs. 138 in 10 monthly instalments, each instalment being twice the preceding one. Find the second and last instalments.

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Rs. 12 and Rs. 3072
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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 C (Short Answer Type Questions)
  1. If a, b, c are in geometric progression, then show that, (a^(2) + ab...

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  2. A boy saves 1 paisa the first day, 2 paise the second day, 4 paise the...

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  3. Shri A. K. Roy borrows Rs. 6000 to repay the amount with interest of R...

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  4. A man borrows Rs. 19682 without interest and agrees to repay the money...

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  5. The A.M. of two numbers is 15 and their G.M. is 12. Find the numbers.

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  6. If a, b, c are in G.P. and x, y be the A.M. between a, b and b, c resp...

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  7. If a, b, c are in G.P. and x, y be the A.M. between a, b and b, c resp...

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  8. If a, b, c be in A.P. and x, y, z be in G.P., prove that, x^(b-c).y^...

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  9. The sum of three numbers in G.P. is 70. If each of the two extremes be...

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  10. Let t(r) be the rth term of an A.P. If t(2), t(8) and t(32) are in G.P...

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  11. If p, q, r be in arithmetic progression, then show that the pth, qth a...

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  12. The nth term of a series is 3^(n) + 2n, find the sum of first n terms ...

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  13. If one arithmetic mean A and two geometric means p, q be inserted betw...

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  14. If A is the A.M. and G is the G.M. of two unequal positive real number...

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  15. Between two positive real numbers a and b, one arithmetic mean A and t...

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  16. If a, b, c are in G.P. and the equation ax^(2) + 2bx + c = 0 and dx^(2...

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  17. If a is A.M. of two positive numbers b and c and two G.M's between b a...

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  18. If G is the G.M. between two positive numbers a and b, show that (1)/(...

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  19. If sum of the square of three different terms in G.P. is S^(2) their s...

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  20. Show that sum of n G.M.s between a and b is ((ab^((1)/(n+1))-ba^((1)/(...

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