Math Riddles Page 12 of 26
Math problems, math riddles and cool math for you to work on, different levels of difficulty, see what you can learn.
111. If you reverse the digits of my age, you have the age of my daughter. A year ago, I was twice her age. How old are we both now?
112. What is the number that is 5 more than one-fourth of one-tenth of one-third of 3,000?
113. Write the number 76 using three consecutive numbers between 1 and 9 inclusive, using each number once only. You may use any of the mathematical operational signs: +, -, x and ?
114. Pat went shopping for supplies for her wedding. She spent half of what she had plus $2.00 on table favors at the party store. At the next store, she spent half of what she had left plus $4.00 for a charm for her maid of honor. In the last store, she spent half of what was left plus $4.00 for stockings. At the end of her spree she was left with $4.00 to spend on thank you cards. How much money did she start with?
115. Find the six-digit number in which the first digit is three times the second; the third is one more than the second; the fourth is one-fifth the last; and the fifth is the sum of the first and fourth.
116. You can buy 3 bags of jellybeans and 2 bags of chocolate chips for 24?, which was under their limit of a quarter. You can also get 4 bags of chocolates and 2 bags of jellybeans for the same 24?. How much did each bag of chocolates cost?
117. The following multiplication example uses all the digits from 0 to 9, and Xs have been used to represent numbers, not the multiplication sign.
7 X X
X X
X X X X X
118. What 2 numbers will give you an answer of 36 when the smaller is subtracted from the larger and an answer of 1,440 when one is multiplied by the other?
119. There are 100 people applying for a position where they will be required to sell both music equipment and electronic goods. Twelve of the applicants have no prior experience in sales. Sixty-four of the applicants have sold music equipment, and 80 applicants have sold electronic goods previously. How many applicants have experience selling bother music equipment and electronic goods?
120. A gentleman who died recently left just over $8000 to be divided between his widow, his five sons, and four daughters. He stipulated that every son should receive three times as much as a daughter, and that every daughter should receive twice as much as their mother. If the precise amount left by the man was $8000.07, how much did the widow receive?
