Category Archives: Math Classes

Six cocker spaniels have a total weight of 192 pounds. Five golden retrievers have anaverage weight of 71 pounds. What is the average weight of all 11 dogs? Express youranswer as a decimal to the nearest tenth. How many different … Continue reading →

Is the following a square number? $$1!+2!+3!+4!+5!+6!+7!$$ There are $100$ cups labeled from $1, 2, 3, … 100$. You distribute $1$ candy in the first cup, $2$ candies in the second cup, and $3$ candies in the third cup, and … Continue reading →

Amy, Bob, Charlie, David and Emily took part in a math exam. Their average score was 85. After checking his answer sheet against the answer sheet, Amy found that her score was wrong and reported it to her teacher. After … Continue reading →

Kevin was calculating the product of two numbers. One of the numbers is 78. However, instead of using 78, he was using 87 and the result was off by 45. The other number used in multiplication is __________. The sum … Continue reading →

Black stones and white stones are arranged on the table in the following pattern: ⚫◯◯⚫⚫⚫◯⚫⚫◯◯◯⚫◯◯⚫⚫⚫◯⚫⚫◯◯◯⚫◯◯⚫⚫⚫ …… The color of the 999th stone is __________ and there are ____________ white stones among the 999 stones. For the following sequence of numbers: … Continue reading →