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Try yourself:If the population of a town is p in the beginning of any year then it becomes 3+2p in the beginning of the next year. If the population in the beginning of 2019 is 1000, then the population in the beginning of 2034 will be

[2019]

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Try yourself:If a_{1} + a_{2} + a_{3} + ... + a_{n} = 3(2^{n+1} - 2), then a_{11} equals

[TITA 2019]

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Try yourself:If a_{1}, a_{2}, ......... are in A.P, then , is equal to

[2019]

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*Answer can only contain numeric values

Try yourself:The arithmetic mean of x, y and z is 80, and that of x, y, z, u and v is 75, where u = and v = If x ≥ z, then the minimum possible value of x is

(TITA 2018)

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Try yourself:If the square of the 7^{th} term of an arithmetic progression with positive common difference equals the product of the 3^{rd} and 17^{th} terms, then the ratio of the first term to the common difference is:

[2017]

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Try yourself:Let a_{1}, a_{2},.......a_{3n} be an arithmetic progression with a_{1} = 3 and a_{2} = 7. If a_{1} + a_{2} + ......+a_{3n} = 1830, then what is the smallest positive integer m such that m (a_{1} + a_{2} + ..... + a_{n}) > 1830?

[2017]

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*Answer can only contain numeric values

Try yourself:Let a_{1}, a_{2}, a_{3}, a_{4}, a_{5} be a sequence of five consecutive odd numbers. Consider a new sequence of five consecutive even numbers ending with 2a_{3}. If the sum of the numbers in the new sequence is 450, then a_{5} is

[TITA 2017]

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Try yourself:An infinite geometric progression a_{1}, a_{2}, a_{3},... has the property that a_{n} = 3(a_{n+1} + a_{n+2} +....) for every n ≥ 1. If the sum a_{1} + a_{2} + a_{3} +...... = 32, then a_{5} is

[2017]

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Try yourself:If ,..., then a_{1} + a_{2} + a_{3} + ...... + a_{100} is

[2017]

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116 videos|131 docs|131 tests

- Geometric Progression - Examples (with Solutions), Algebra, Quantitative Aptitude
- Test: Progression (AP And GP)- 3
- Arithmetic Progression & Geometric Progression - Algebra, Quantitative Reasoning
- Test: Progression (AP And GP)- 4
- Test: Progression (AP And GP)- 5
- Arithmetic Progression - Examples (with Solutions), Algebra, Quantitative Aptitude