document.write( "Question 364075: a boy have 5 coins each of different denominations. How many different sums of money he can form ? Its answer is 31 plz help \n" ); document.write( "
Algebra.Com's Answer #736751 by mzaffar241(1)\"\" \"About 
You can put this solution on YOUR website!
Selecting 1 coin out of 5 coins: 5C1=5 different sums
\n" ); document.write( "Selecting 2 coins out of 4 coins: 5C2=10 different sums
\n" ); document.write( "Selecting 3 coins out of 4 coins: 5C2=10 different sums
\n" ); document.write( "Selection 4 coins out of 4 coins: 5C4=5 different sums
\n" ); document.write( "Selection 5 coins out of 4 coins 5C5=1 different sums
\n" ); document.write( "Hence total number of different sums of money :5+10+10+5+1= 31 Answer
\n" ); document.write( "
\n" );