Set A has 3 elements and set B has 6 elements. What can be the mi… - Vidyadip

MCQ

Set A has 3 elements and set B has 6 elements. What can be the minimum number of elements in A ∪ B?

A
6
B
3
C
9
D
18

✓

Answer

6

Solution:

A ∪ B must contain all the elements of the bigger set.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Sets→Sets — all question types→MATHS STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

There are 12 points in a plane. The number of the straight lines joining any two of them when 3 of them are collinear is:

The distance between the directrices of the hyperbola $\text{x}=8\sec\theta,\text{y}=8,$ is

$8\sqrt2$
$16\sqrt2$
$4\sqrt2$
$6\sqrt2$

Choose the correct answers from the given four option:
Let S = set of points inside the square, T = the set of points inside the triangle and C = the set of points inside the circle. If the triangle and circle intersect each other and are contained in a square. Then

If an the expansion of $(1+\text{x})^{15},$ the coefficients of $(2\text{r}+3)^{\text{th}}$ and $(\text{r}-1)^{\text{th}}$ terms are equal, then the value of r is:

If the parabola y²= 4ax passes through the point (3, 2), then the length of its latusrectum is:

Evaluate the following limit $\lim_{\text{x}\rightarrow0}\frac{1-\cos2\text{x}}{\text{x}^2}:$

Consider the first 10 positive integers. If we multiply each number by -1 and then add 1 to each number, the variance of the numbers so obtained is:

If slope of a line is positive then its inclination is:

The value of $\cos^4\text{x}+\sin^4\text{x}-6\cos^2\sin^2$ is:

If A, B and C are any three sets, then $\text{A}-(\text{B }\cup\text{ C})$ is equal to.