Select the missing number from the given responses.

How many triangles are there in the following figure?

Which option will replace the question mark in the following picture series?

The weights of 4 boxes are 30, 40, 50 and 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

Find the number of rectangles in the given figure

Six boys are sitting around a circular table facing the centre. M is sitting second to the right of K who is sitting opposite to F. L and O are sitting opposite each other. Neither L nor R sits near F. Who sits in front of R?

Statement: Many people in city Y are suffering from flu.
Action:
I. The Municipal Corporation should take immediate steps to control the disease.
II. People in the city should be advised to take certain measures from their end to prevent the disease.

Select the odd word from the given alternatives.