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Let A = {7n:n in N} and B = {2^(3n)-1: n...

Let A = `{7n:n in N}` and `B = {2^(3n)-1: n in N}`, then

A

`A = sube B`

B

`B sube A`

C

`A = B`

D

`A cup B = N`

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-QUESTIONS FROM PREVIOUS YEAR.S B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS
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  11. Let N be the set of natural numbers and for a in N, aN denotes the set...

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  13. Let f:Rrarr R be a function defined by, f(x)=(e^|x|-e^-x)/(e^x+e^-x t...

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  15. If A and B are two finite sets such that the total number of subsets o...

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  16. If f(x) + 2 f(1 – x) = x^2 +1,AA x in R, then the range of f is :

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