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RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
- Show that (a-b)^2,\ (a^2+b^2) and (a+b)^2 are in A.P.
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- Find the sum of 20 terms of the AP 1, 4, 7, 10,....
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- Find the sum of first n natural numbers.
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- Find the sum of all odd integers between 2 and 100 divisible by 3
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- How many terms of the series 54,51, 48,.. be taken so that their sum i...
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- Find the number of terms in the series 20 ,19 1/3,18 2/3... the sum of...
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- The sum of n, 2n, 3n terms of an A.P. are S1, S2, S3 respectively. Pro...
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- The sums of n terms of three arithmetical progressions are S1, S2and ...
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- If the sum of first m terms of an A.P. is the same as the sum of its f...
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- The ratio of the sums of m and n terms of an A.P. is m^2: n^2 .Sho...
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- A manufacturer of TV sets produced 600 sets in the third year and 700 ...
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- A contract on construction job specifies a penalty for delay of com...
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- A sum of Rs 280 is to be used to award four prizes. If each prize a...
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- In a school students thought of planting trees in and around the sc...
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- 200 logs are stacked in the following manner: 20 logs in the bottom ...
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- The digits of a positive integer, having three digits, are in A.P. and...
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- A man repays a loan of R s .3250 by paying R s .20 in the first month ...
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- The houses of a row are numbered consecutively from 1 to 49. Show that...
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- A ladder has rungs 25 cm apart, (see Figure). The rungs decrease un...
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- A small terrace at a football ground comprises of 15 steps each of ...
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