TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Flexible shapes are also shapes which have _ obvious way of being attacked.

SOLUTION: no

PROBLEM: Trees begin to bear _ to seven years after planting the root shoot.

SOLUTION: five

PROBLEM: Termites have _ wings that are all equal in length.

SOLUTION:
four