✔ Correct Answer: C. 20
The correct answer to the question “Each of the four persons can cross the bridge at a different time, namely 3, 7, 13, and 17 minutes, respectively. Only two people can cross at a time. What is the minimum time in which all four can cross the bridge?” is 20. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.
Related MCQs
complete the series: 4.8.9.13.14.18.____?Find out the wrong number in the series : 1, 1, 2, 6, 24, 96, 720Find the average of the series : 312, 162, 132, 142 and 122?Find the Missing Number in the series 1, 6, 13, 22, 33 ?In a school, 40 % of the students play football and 50 % play cricket. If 18 % of the students play neither football nor cricket, the percentage of students playing both is____?