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3 years ago

13

A letter is chosen from the word ROCK and a standard die is rolled. What is the probability that you will get a "vowel and then

an even number"?
A. 12
B. 18
C. 24

2 answers:

Nuetrik [128]3 years ago

5 0

...................................

Mnenie [13.5K]3 years ago

4 0

Answer:

i think that it will be 12

Step-by-step explanation:

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Answer:

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2 years ago

ddd [48]

Answer:

$The\ brother's\ present\ age= 4\ years\\The\ sister's\ present\ age=8\ years$

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$Let\ the\ brother's\ present\ age\ be\ x\\Hence\ we\ are\ given,\\His\ sister's\ present\ age=(2x)\\Now,\\The\ brother's\ age\ before\ two\ years=(x-2)\\The\ sister's\ age\ before\ two\ years=3(x-2)\\Also,\\His\ sisters\ age\ before\ two\ years=2x-2\\Hence,\\3(x-2)=2x-2\\3x-6=2x-2\\3x-2x=6-2\\x=4\\Hence,\\The\ brother's\ present\ age= 4\ years\\The\ sister's\ present\ age=2x=2*4=8\ years$

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