This is a demo of Math Olympiad 3. Your next practice questions in a specific program will be specially tailored for you as the system learns from your previous practices!
[1] John has 2 more brothers than sisters. How many more brothers than sisters does his sister Hillary have?
Please give your answer:
[2] Kevin is the tallest. David is taller than Eric and Eric is shorter than Richard. Can you make the following conclusion that "David is shorter than Kevin"?
Please select your answer:
Yes No
[3] Helen has 15 cards, and David has 23 cards. How many cards does David need to give Helen so that they have the same number of cards?
Please give your answer:
[4] Julia is 22 years old, and Josh is 7 years younger than Julia. How old will Josh be when Julia is 46 years old?
Please give your answer:
[5] Figure out how the first two sets of numbers are related and then select the number from the choices to fill the question mark so that the third set of numbers have the same relationship as the first two sets.
Please select your answer:
A) 17
B) 13
C) 18
D) 14
E) 15
[6] Find all two-digit number(s) that equals twice the product of its digits. Separate each number with a comma if needed.
Please give your answer:
[7] There is a string of beads. Counting by 7s, 3 more beads are needed; Counting by 8s, 4 more beads are needed. At least, how many beads are there in total? Note that the total number of beads is more than 7.
Please give your answer:
[8] Mary and Edward both have a certain number of the cards. The number of the cards that Mary has is twice as what Edward has, and what Mary has is 12 more cards than what Edward has. How many cards do they have respectively?(Separate the answers by a comma.)
Please give your answer:
[9] If there are 5 Wednesdays within November in a year, which of the following can not be the last day of the month?
Please select your answer:
ABC
FridayThursdayWednesday
[10] How many squares can you count from the figure below? (Note that each cell in the 2x3 grid is a square).
   
   
Please give your answer:



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