The numbers 1 - 9 can be placed in the nine circles below in such a way that both sets of crossed circles can add up to 26. From the numbers already given, where would the number 1 go? It can be placed in either one of two circles.
Fill in the boxes with numbers from 1-10. One number can be used only once.
What single-digit number replaces the "?" below to go in the middle of the following set of numbers?
1, 8, 10, ?, 8, 3, 11
Look at the numbers given in the picture and find the missing number.
Can you find the connection between the numbers and then find the missing number in the given table?
