Top 10,000+ Brain Teasers Puzzles Questions and Answers - 1

Ans: 12

The numbers in the bottom two circles are the sums of each pair of numbers in the top circles.

Ans: 4

All lines across total 8.

Ans: 24

6 x 8 = 48÷2

Ans: 18

The inner numbers are 3 times the difference between the outer numbers.

Ans: 29

Prime numbers 6^th to 13^th.