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 Letter/Number Puzzles, a selection of answers from the Dr. Math archives. Send More Money Find the digit that each letter represents in the equation SEND + MORE = MONEY. Solving SEND + MORE = MONEY I have tried logical reasoning and can't get it. Finding the Digits of SEND + MORE = MONEY Representing and solving SEND + MORE = MONEY as a system of equations and inequalities. Alphametric Problem How do you solve a four-part alphametric where each letter represents a different digit? Crypto-Number Puzzle A Pascal program to find numerical values for the letters in: ONE + TWO + TWO + THREE + THREE = ELEVEN. 9 x HATBOX = 4 x BOXHAT What is the solution to the cryptogram: 9 x HATBOX = 4 x BOXHAT? EVE/DID = .TALKTALKTALK... In the equation EVE/DID = .TALKTALKTALK... each letter corresponds to a different number, and EVE/DID is in lowest terms. What does each letter stand for? Words that Equal \$1 Letters of the alphabet are given values: a = 1 cent, z = 26 cents. Words Equal to a Dollar I need one-dollar words: a = 1, b = 2, c = 3...z = 26. I would like a list of words that equal 100. The Value of a Word Think of a word that equals one dollar. The key is: a=.01, b=.02, c=.03, .... Letter and Word Puzzle: Bag = 2 + 1 + 7 = 10 What words can I use to make 10? 4(ABCD) = DCBA Find a four digit number such that 4(ABCD) = DCBA. ABCDE/4 = EDCBA Find a five-digit number that, when it is quartered, gives an answer which is its digits in reverse order. ABCDC - BEAAC = BADAD What do the letters stand for if D = 0? DEFABC = 6(ABCDEF) Let abcdef be a 6-digit integer such that defabc is 6 times the value of abcdef. Find the value of a+b+c+d+e+f. Headscratch Letter Puzzle Use the numbers 0 to 9 for each letter once: G*B=HA, D*E=E, I*C=C, H*A=DE, F*J=GJ. Look-and-Say Sequence I can't find the next six numbers: 1, 11, 21, 1211, 111221, ... 121, 111211, 311221 Puzzle (Look and Say Sequence) 121, 111211, 311221 - what's the next number? 8549176320 Puzzle The following number is formed by a special pattern and is the only one of its kind: 8549176320. What is the pattern? ZOTTFFSSE Puzzle What comes next in this letter sequence: ZOTTFFSSE?