Mathematics

A die is tossed once, the probability of getting a number not divisible by 2 or 3 is :
$\dfrac{2}{3}$
$\dfrac{5}{6}$
$\dfrac{1}{6}$
$\dfrac{1}{3}$

Probability

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Answer

On tossing a die, possible outcomes are {1, 2, 3, 4, 5, 6}.

No. of possible outcomes = 6

Favourable outcomes for getting a number not divisible by 2 or 3 are {1, 5}.

No. of favourable outcomes = 2

P(getting a number not divisible by 2 or 3) = $\dfrac{\text{No. of favourable outcomes}}{\text{No. of possible outcomes}} = \dfrac{2}{6} = \dfrac{1}{3}$ .

Hence, Option 4 is the correct option.

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Mathematics

A die is tossed once, the probability of getting a number not divisible by 2 or 3 is :
$\dfrac{2}{3}$
$\dfrac{5}{6}$
$\dfrac{1}{6}$
$\dfrac{1}{3}$

Probability

Answer

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Mathematics

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A die is tossed once, the probability of getting a number not divisible by 2 or 3 is :
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$\dfrac{1}{6}$
$\dfrac{1}{3}$

A solid cylinder, made of iron is melted and recasted into solid cones of same radius of cross-section and height. Then the number of cones obtained is :
2
6
3
4

If x is a negative integer, then the solution set for the linear inequation $\dfrac{2}{5} + \dfrac{1}{5}(x + 1) \gt 0$ is :
{0, -1, -2}
{-2, -1}
{-1, -2, -3}
{-2, -3, -4}

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Line segment AB joining the points A = (0, -10) and B = (20, 5) is divided internally into five equal parts by points P, Q, R and S. The co-ordinates of points Q are :
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