Difference between revisions of "1980 AHSME Problems/Problem 20"

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Revision as of 19:42, 10 December 2020

Problem

A box contains $2$ pennies, $4$ nickels, and $6$ dimes. Six coins are drawn without replacement, with each coin having an equal probability of being chosen. What is the probability that the value of coins drawn is at least $50$ cents?

$\text{(A)} \ \frac{37}{924} \qquad  \text{(B)} \ \frac{91}{924} \qquad  \text{(C)} \ \frac{127}{924} \qquad  \text{(D)}\ \frac{132}{924}\qquad \text{(E)}\ \text{none of these}$


Solution

$\fbox{C}$

See also

1980 AHSME (ProblemsAnswer KeyResources)
Preceded by
Problem 19
Followed by
Problem 21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
All AHSME Problems and Solutions

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