Cognitive Reflection Test Verbal and Logic Puzzles 5

Question 1

A ship's ladder has rungs 1 foot apart, with the bottom 4 rungs underwater at low tide. The tide rises 3 feet. How many rungs are now underwater?

Accepted Answer

4

Answer

The ship rises with the tide, so the same 4 rungs remain underwater.

Question 2

A snail climbs a 10-foot wall, going up 3 feet each day and slipping 2 feet each night. On which day does it reach the top?

Accepted Answer

Day 8

Answer

It nets 1 foot per day to 7 feet after 7 days, then climbs the final 3 feet on day 8 before slipping.

Question 3

If half of 5 is 3, what would a third of 10 be, using the same odd logic?

Accepted Answer

4

Answer

If 5 is treated as worth 6, then 10 is treated as 12, and a third of 12 is 4.

Question 4

Two fathers and two sons go fishing and each catches one fish, yet only three fish are caught. How?

Accepted Answer

They are grandfather, father, and son

Answer

The middle man is both a son and a father, making only three people total.

Question 5

A widget factory line makes 1 widget every 4 seconds with 4 workers. How many seconds to make 1 widget if only 1 worker is present, assuming work splits evenly?

Accepted Answer

16 seconds

Answer

One worker does the whole job alone at one-fourth the pace, needing 16 seconds.

Cognitive Reflection Test Practice Test

Cognitive Reflection Test Practice Test

Cognitive Reflection Test Verbal and Logic Puzzles 5