# Question of the Day

## Can you answer today's question?

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**Next Tests:**

3/14
, 5/2

Register
**Next Tests:**

3/14
, 5/2

Jan

25

2015

Number Answered | |
---|---|

Correct | 17,094 |

Incorrect | 18,536 |

**
Mathematics > Standard Multiple Choice
**

*Read the following SAT test question and then click on a button to select your answer. *

A jar contains only red marbles and green marbles. If a marble is selected at random from the jar, the probability that a red marble will be selected is . If there are green marbles in the jar, how many red marbles are there in the jar?

Register
**Next Tests:**

3/14
, 5/2

Jan

25

2015

Number Answered | |
---|---|

Correct | 17,094 |

Incorrect | 18,536 |

**
Mathematics > Standard Multiple Choice
**

*Read the following SAT test question and then click on a button to select your answer. *

A jar contains only red marbles and green marbles. If a marble is selected at random from the jar, the probability that a red marble will be selected is . If there are green marbles in the jar, how many red marbles are there in the jar?