number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248
Answer:
it's not A i got it wrong when i did that
Explanation:
The Chinese failed to foresee that the European expansion would rival their rise because the Chinese did not see the importance of voyages across oceans. The Europeans were out to discover new lands, resources and colonies. The Chinese were thinking about how to bring together their nomads.
Single broken along with a single solid yellow line means traffic on either side may cross the center line to pass another vehicle
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Option - C
<u>Explanation:
</u>
Traffic signals are to be followed to protect us from accidents and making accidents. If rules are followed as per the signals there will be smooth flow of traffic on the either side of the road.
One mistake by a person may lead to fatal accidents. To overtake a vehicle you have to do it at the right point where the traffic lines are drawn. For that purpose the Single broken yellow line is the point where the other vehicle can overtake.
If we are driving on side of the broken yellow line we are allowed to overtake the other vehicles. But if we are driving on the side of solid yellow line, we cannot overtake.
X+3/100 is the answer
Here are the “solving” steps required to finish this equation of yours, I hope this helps you
