A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24- hour clock is
(d) None of the above statements correct.
A watch loses 2 minutes in every 24 hours, while another watch gains 2 minutes in every 24 hours. Hence, every day the time difference between the two watches will keep on increasing by 4 minutes. They will again show the same identical time when this difference increases to 24 hours, i.e. 24 × 60 minutes. Now, for the difference to increase by 4 minutes it takes 1 day For the difference to increase by 24 × 60 minutes it will take (1/4) × 24 × 60 days = 6 × 60 days = 360 days
In 2002, Meenu's age was one-third of the age of Meera, whereas in 2010, Meenu's age was half the age of Meera. What is Meenu's year of birth?
The sum of the ages of 5 members comprising a family, 3 years ago was 80 years. The average age of the family today is the same as it was 3 years ago, because of an addition of a baby during the intervening period. How old is the baby ?
5 years ago, my sister's age was 5 times my age. Now it is 3 times only. What is my sister's present age (in years)?
The sum of ages of a father and his son is 45 years. Five years ago, the product of their ages (in yrs.) was 124. The present age of father is :
The ratio of the ages of A and B, four years ago, was 4 ∶ 5. Eight years from now the ratio of the ages of A and B will be 11 ∶ 13. What is the sum of their present ages?