Friday

February 27, 2015

February 27, 2015

Posted by **please help me out!!** on Tuesday, April 2, 2013 at 3:56am.

- GEOmetry(Special Coin Placement) -
**Suraj**, Tuesday, April 2, 2013 at 5:01amThe total number of ways of choosing rows is 4C3, columns 10C3

Total number of ways of choosing 3 tiles among 40(4X10) is 40C3

Answer = (4C3*10C3)/40C3

**Answer this Question**

**Related Questions**

maths - Three coins are randomly placed into different positions on a 4×10 grid...

Computer Science - The array represents a map with coins, and the integers ...

Math - Four coins fall onto the floor. Find the probability that (a) exactly ...

Math - Algebra - The number 350 is separated into three parts (numbers). ...

Computer Science - The array represents a map with coins, and the integers ...

Math - Jeremy has 19 coins of 2 different values. The total value of the coins ...

Math word problem - Jeremy has 19 coins of 2 different values. the total value ...

probability - urgent till 3 pm i have in colombiaˇ 1 Alice has five coins in a ...

Probability - Alice has five coins in a bag: two coins are normal (i.e., fair ...

algebra/functions - Dave started his coin collection with 25 coins. the first ...