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The first and the last terms of an A.P. ...

The first and the last terms of an A.P. are 5 and 45 respectively. If the sum of all its terms is 400, find its common difference.

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OSWAL PUBLICATION-ARITHMETIC PROGRESSIONS -SELF ASSESSMENT-2
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  3. The first and the last terms of an A.P. are 5 and 45 respectively. If ...

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  4. If the sum of the first 9 terms of an A.P. is 81 and that of the firs...

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  5. Find the sum of all two digit natural numbers which are divisible by ...

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  6. Find the sum of the integers between 100 and 200 that are divisible by...

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  7. Find the sum of all odd numbers lying between 100 and 200.

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  9. The sum of four consecutive numbers in an A.P. is 52 and the ratio of...

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  10. Find the 60^(th) term of the A.P. 8, 10, 12, ....., if it has a total...

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  18. A ladder has rungs 25 cm apart, (see Figure). The rungs decrease unif...

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  19. A ladder has rungs 25 cm apart, (see Figure). The rungs decrease unif...

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