Quantitative Aptitude Ques 2054

Question: A clock is set right at 6 am. The clock losses 16 min in 24 h. What will be true time, if the clock indicates 11 pm on 4th day?

Options:

A) 12 O’clock

B) 11 pm

C) 9 pm

D) 2 pm

Show Answer

Answer:

Correct Answer: A

Solution:

  • Time from 6 am on a day to 11pm on 4th day = 89 h Now, 23 h 44 min of this clock = 24 h of correct clock 89 h of this clock $ =( \frac{24\times 1}{( 23+\frac{44}{60} )h}\times 89 )=( 24\times \frac{15}{356}\times 89 ) $ $ =( 24\times \frac{15}{356}\times 89 )h $ of correct clock = 90 h of correct clock

$ \therefore $ Correct time will be 12 O’clock (mid-night).