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A larger has rungs 25 cm apart. The rung...

A larger has rungs 25 cm apart. The rungs decrease uniformaly in length from 45 cm at the bottom to 25 cm at the top. If the top and the bottom rungs are `2 1/2` m apart. What is the length of the wood required for the rungs? [ Hint : Number of rungs = `(250)/(25)+1`]

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
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  2. The sum of the third and the seventh terms of an AP is 6 and their pro...

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  3. A larger has rungs 25 cm apart. The rungs decrease uniformaly in lengt...

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  4. The house of a row are numbered consecutively form 1 to 49. Show that ...

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  5. A small terrace at a football ground comprises of 15 steps each of whi...

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  6. 150 workers were engaged to finish a piece of work in a certain number...

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  7. A machine costs Rs. 5,00,000. if the value depreciates 15% in the firs...

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  8. The hand borewell driller charges Rs. 200 for the first one meter only...

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  9. Write the common differnece of an Arithmetic Progression, whose n^(th)...

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  10. Find the sum of first 200 natural numbers.

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  11. Is 'zero' a term of the Arithmetic Progression 31, 28, 25, ….? Justify...

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  12. In a GP. t(n) = (-1)^(n). 2017. find the common ratio.

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  13. The nth term of an A.P. is 6n+2. Find the common difference. (x in N)

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  14. Is the sequence sqrt(3), sqrt(6), sqrt(9), sqrt(12),…… form an Arithme...

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  15. Radha says “1,1,1,… are in A.P and also G.P”.Do you agree with Radha,?...

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  16. In the AP -9 , -14, -19, -24, ……… a(30) - a(20) = ………….

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  17. Find the 11^th term of the A.P. : 15, 12, 9, .....

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  18. In a flower garden there are 23 plants in first row, 21 plants in seco...

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  19. If seven times of 7th term of an Arithmetic Progression is euqal to th...

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  20. Measures of sides of a triangle are in Arithmetic Progression. Its per...

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