In the following figure, the square represents'lemon', the circle represents 'sweet', the triangle represents 'fruits', the rectangle represents 'sour', and the hexagon represents 'oranges'. Find the number which represents lemon fruits that are sour but NOT sweet.

Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 45.
The number which represents lemon fruits that are sour but not sweet = Number that is common to square, triangle, rectangle = 45