Reasoning Aptitude Verbal GK Quiz

Reasoning Slow Fast Clocks


1.A clock is set right at 10a.m.But it gains 10mins in 24hours.What will be the true time if the clock shows 3pm the next day ?

A) 2:52p.m

B) 2:48p.m

C) 2:50p.m

D) 2:30p.m


Answer:B) 2:48p.m

Explanation:Gain 10mins in 24hours, then wrong time is 24hours 10mins.Clock set at 10a.m.Time interval between 10a.m to next day 3p.m is 29hours.Now the correct hour, (24*29)/(145/6)hours=28 1/2hours which is 28hours 48mins.Extra time gain is, 29hours-28hours 48mins=0.12mins.Now true time is, 3:00p.m-0:12p.m=2:48p.m .


2. A clock is set right at 5a.m.But it losess 16mins in 24hours.What will be the truet time if the clock shows 10pm in 4th day ?

A) 12a.m

B) 6a.m

C) 11p.m

D) 10p.m


Answer: C)11p.m

Explanation:Explanation as above