Unlocked Braincells
How many even numbers are there between 20 and 50, not including 20 or 50?
14
How many different two-digit numbers can be formed using the digits 1,2,3,4 if no digit may be repeated?
12
Zeke has 6-one dollar bills and 3 five-dollar bills. How much money does Zeke have in total?
$21
Aiden and Gabe are collecting Pokemon cards. Aiden has 18 more cards than Gabe. Together, they have 74 cards in total. How many Pokemon cards does Aiden have?
46
Zion has a package that weighs N pounds, N being a whole number. To ship his package by express costs $1.65 for the first five pounds and 12 cents for each additional pound. The total shipping cost was $3.45. How many pounds did the package weigh?
20
What whole number is equal to
3024−418−736−270?
1600
A sports arena has a total capacity of 20,000 fans and ushers. One usher is required for every 30 fans. What is the greatest number of fans that can be in attendance?
19,354
Owen needs to withdraw $200 from the ATM. He wants 10 $1 bills and the rest in $5 and $20 bills. If Owen leaves the bank with 33 bills, how many $5 bills does he have?
18
What whole number would make the following equation true: 2222 – 27 – 75 – __ = 2000?
120
What is the least possible sum for the given addition problem? FOUR + FOUR
2046
Xavier has a stack of $5 bills and $10 bills.
He has 18 bills total worth $135. How many $10 bills does Xavier have?
9
Alison and Abigail were tasked to clean their room. Each girl takes the same amount of time to clean the room when working alone, and 2 hours when working together. Abigail was working 1 hour when Alison joined her. How long did it take to finish the task?
90 minutes or 1.5 hours
What is the greatest possible sum in the cryptarithm shown? F O U R + F O U R
19,752
A net is folded to form a rectangular box with no top. The base measures 6 inches by 4 inches, and the height of the box is 5 inches. What is the volume of the box in cubic inches?
120
Zoe can clean her half of a garage in 2 hours, while Ivy can clean her half in 4 hours. They start cleaning together at 1:00 PM. When Zoe finishes her half, she helps Ivy finish the rest. At what time do they finish cleaning the garage?
3:40PM (Takes 40 minutes)