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The sequence of sets S1,S2,S3,S4,... is...

The sequence of sets
`S_1,S_2,S_3,S_4,...` is defined as `S_1={1}, S_2={3,5}, S_3={7,9,11}, S_4={13,15,17,19}`… etc.
The first element of the nth set `S_n` is:

A

`n `

B

`n^2 - 1`

C

`2n+ 1`

D

`n^2 - n + 1`

Text Solution

Verified by Experts

The correct Answer is:
D
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ARIHANT SSC-FUNDAMENTALS -FINAL ROUND
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  2. For any natural number n the sets S1, S2,….. are defined as below: S...

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  3. The sequence of sets S1,S2,S3,S4,... is defined as S1={1}, S2={3,5}, ...

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  4. The sequence of sets S(1), S(2),S(3),S(4),….. is defined as S(1) = {1}...

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  5. The sequence of sets S1, S2,S3,S4,….. is defined as S1 = {1}. S2 = {3,...

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  6. The sequence of sets S1, S2,S3,S4,….. is defined as S1 = {1}. S2 = {3,...

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  7. The sum of the series : S = 1/(1.2) + 1/(2.3) + 1/(3.4) + 1/(4.5) + ...

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  8. A number P when divided by D it leaves the remainder 18 and if another...

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  9. If the product of 1 xx 2 xx 3 xx 4 xx … n contains 68 zeros in the end...

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  10. The remainder when 6^(6^6^6^6^(..oo "times")) is divided by 10

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  11. 53^3-46^3-7^3 is divided by:

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  12. A gear 12 cm in diameter is turning a gear 18 cm in diameter. When the...

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  13. In the above question how many values of n are possible ?

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  14. Pandavas won a hen in the war of the Mahabharat. They brought it on th...

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  15. Total number of natural numbers being the perfect square whose root is...

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  16. At our training Institute the number of boys is same as that of the gi...

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  17. Darwin Miya has 6 kinds of fruits in large amount and has suffcient nu...

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  18. A fruit basket contains 4 oranges, 5 apples and 6 mangoes. The number ...

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  19. If n in 1,3,5,7,… etc., then the value of 19^(n) - 23^n - 43^n + 47^n ...

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  20. The sum of the following series: 1.1^2 (1 - 0/1) + 2.2^(2) (1 - 1/2)...

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