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In a school students thought of planting trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be the same as the class, in which they are studying, e.g.,

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In a school, students decided to plant trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be double of the class in which they are studying. If there are 1 to 12 classes in the school and each class has two sections, find how many trees were planted by the students. Which value is shown in this question?

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If a gardener plans to plant 630 trees in 21 rows each containing the same number of trees,then number of trees in each row,will be

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Study the bar graph and answer the question Percentage decrease in the number of trees planted in 2016 in state A as compared to that in 2015 in the same state was:

Each student in a school has to plant 5 plants.If there are 100 students in the school,then find the total number of plants required for the plantation.

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MTG IIT JEE FOUNDATION-ARITHMETIC PROGRESSIONS -NCERT SECTION EXERCISE 5.3
  1. In an A.P: given a = 3 , n = 8 ,S= 192 ,find d .

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  2. In an A.P: given l = 28 , S= 144 , and there are total 9 terms . Fin...

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  3. How many terms of the A.P: 9,17,25 ,……. must be taken to give a sum of...

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  4. The first term of an A.P. is 5 , the last term is 45 and the sum is 40...

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  5. The first and the last terms of an A.P. are 17 and 350 respectively .i...

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  6. Find the sum of first 22 terms of an A.P. in which d = 7 and 22^(nd) t...

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  7. Find the sum of first 51 terms of an AP whose second and third terms ...

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  8. If the sum of first 7 terms of an AP is 49 and that of 17 terms is ...

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  9. Show that a1,""""a2,""""dot""dot""""dot,""an ,""dot""""dot""""dot form...

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  10. Show that a1,""""a2,""""dot""dot""""dot,""an ,""dot""""dot""""dot form...

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  11. If the sum of the first n terms of an AP is 4n-n^2, what is the first ...

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  12. Find the sum of the first 40 positive integers divisible by 6.

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  13. Find the sum of the first 15 multiples of 8

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  14. Find the sum of the odd numbers between 0 and 50.

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  15. A contract on construction job specifies a penalty for delay of com...

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  16. A sum of Rs 700 is to be used to give seven cash prizes to students...

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  17. In a school students thought of planting trees in and around the sc...

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  18. A spiral is made up of successive semicircles, with centres alternate...

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  19. 200 logs are stacked in the following manner: 20 logs in the bottom ...

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  20. In a potato race, a bucket is placed at the starting point, which is ...

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