Total work = LCM of 14, 56 and 70 = 280 units Unit per day of A = 280/14 = 20 Unit per day of B = 280/56 = 5 Unit per day of C = 280/70 = 4 Units of work done by A in 3 days = 20 × 3 = 60 units Units of work done by B in 8 days = 8 × 5 = 40 units Remaining work = 280 – (60 + 40) = 180 units So, C has worked for 180/4 = 45 days
In a family a couple has a son and a daughter. The age of the father is four times that of his son and age of her daughter is half of her mother. The wi...
The ages of A, B and C together are 54 years. B is thrice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
At the time of their marriage, the ratio between the ages of Reena and Rahul was 9:10 respectively. After ‘y’ years of their marriage, a daughter wi...
P's present age is 30% less than what her husband's age will be 8 years from now. If 3 years ago, the sum of their ages was 37 ye...
Present average age of A, B and C together is 44 years. 12 years from now the age of B will be 260% more than the age of A.. Four years ago from now whi...
The ratio of Rama’s to Shyama’s age is 1 : 2 and the sum of their age 81 years. What will be the ratio of their ages after 7 years?
‘A’ is 8 years younger than ‘B’ and 7 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 40 years and 30 years, respectively...
The ratio of Anil’s age to Anila’s age is 6 : 5 and the sum of their ages is 66 years. What will be the ratio of their ages after 14 years?
The present age of Arvind is three times of Sanjay. 6 years hence the age of Arvind will become 5 years more than 2 times the age of Sanjay. The present...
Four years ago, the age ratio of 'Vikram' to 'Garima' was 3:4, and six years from now, their age ratio will be 4:5. Can you determine 'Vikram's current ...