Distance covered upstream in 30/4 minutes = 1/4 Km Distance covered upstream in 1 hour = 1/4× 4/30× 60 = 2 km/hr Distance covered downstream in 5/2 minutes = 1/4 km Distance covered downstream in 1 hour = 1/4 × 2/5× 60 = 6 km/hr Speed of the man in still water = 1/2(2 + 6) = 4 km/hr
Amit age after 13 years will be 3 times his age 5 years back. What is the present age of Amit?
The average age of 20 girls is 54 years. If the age of two more girls is added the average decreases by half a year. What is the sum of the age of new g...
There are three persons 'Amit', 'Bhuvan' and 'Cheetan' such that 7 times the present age of 'Amit' is equal to 9 times the present age of 'Bhuvan' while...
Twelve years ago, the age ratio between 'A' and 'B' was 5:4. In five years, their average age is expected to be 44 years. Determine 'A’s age eight yea...
Mukesh's age is four times his son's age If, after 8 years, Mukesh will be four times his son's age, how many times his son's age will Mukesh be after a...
Currently, the ages of Vikesh and Vishal are in a ratio of 7:5. Vijay's age is 20% lower than Vishal's. If the average age of Vikesh, Vishal, and Vijay ...
The total age of A, B and C six years hence will be 89 years. Find the age of C five years hence, if the present age of A and B is 33 years and 24 years...
The ratio of the present ages of Ginni and Binni is 7:3 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
Nine years ago, the ratio of ages of Asha and Usha was 2:3, respectively. Seven years hence, the ratio of ages of Vimal and Usha will be 5:6, respective...
The ratio of age of A and his son is 9:3. If the difference of their ages 6 years ago is 36, then find the sum of the ages of A and his son together 4 y...
