Logical Reasoning - Essential Part

Exercise : Essential Part - Type 1
Directions to Solve
Each question has an underlined word followed by four answer choices. You will choose the word that is a necessary part of the underlined word.

11.
shoe
sole
leather
laces
walking
Answer: Option
Explanation:
All shoes have a sole of some sort.Not all shoes are made of leather (choice b); nor do they all have laces (choice c).Walking (choice d) is not essential to a shoe.

12.
swimming
pool
bathing suit
water
life jacket
Answer: Option
Explanation:
Water is essential for swimming-without water, there is no swimming. The other choices are things that may or may not be present.

13.
lightning
electricity
thunder
brightness
rain
Answer: Option
Explanation:
Lightning is produced from a discharge of electricity, so electricity is essential. Thunder and rain are not essential to the production of lightning (choices b and d). Brightness may be a byproduct of lightning, but it is not essential (choice c).