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If a N = { ax : x in N} then the set 4N ...

If a N = `{ ax : x in N}` then the set `4N cap 6N` is

A

8N

B

10 N

C

12 N

D

Non of these

Text Solution

Verified by Experts

The correct Answer is:
C
`4N={4,8,12,16,20,24….} and 6N ={6,12,18,24…}
Hence ,`4N cap 6N`={ 12,24,36 …} = 12 N`
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CENGAGE PUBLICATION-SET THEORY AND REAL NUMBER SYSTEM -EXERCISES
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  2. Let A and B be two non empty subsets of set X such that A is not a sub...

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  3. If a N = { ax : x in N} then the set 4N cap 6N is

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  4. The set (A cap B')cup (B cap C) equals a).A' cup B cup C b).A' cup ...

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  7. The shaded region in the given figure is

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  12. Complete solution set of inequlaity ((x+2)(x+3))/((x-2)(x-3))le1

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  13. Integral value of x for, which (5x-1)lt(x+1)^2lt7x-3

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  14. If set A ={x|(x^2(x-5)(2x-1))/((5x+1)(x+2)) lt 0 } and Set B={x|(3x...

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  15. Number of intergers satisfying the inequality x^4- 29x^2+100 le 0 i...

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  16. If n gt 0 and exactly 15 integers satisfying (x+6)(x-4 ) (x-5) (2x-...

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  17. The solution of the inequality ((x+7)/(x-5)+(3x+1)/(2) )ge 0 is

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  18. The complete solution set of inequality ((x-5)^(1005)(x+8)^(1008)(x-1)...

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  19. Sum of solution of the equation |x|^3-4|x|^2+3|x|=0 is

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  20. Number of integral roots of |x-1||x^2-2|=2 is

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