Let the age of A when he was married be x years. Present age of A = 7x/5 Present age of his brother = (1/2)×(7x/5) = 7x/10 According to Question, => x + 20 = 7/5x => 2/5x = 20 => x = 50 years Present age of his brother = (7/10) ×50 = 35 years
18 women can do piece of work in 12 days. 12 men can do the same piece of work in 9 days. Find in how many days will 8 men and 8 women complete that work?
Suraj is one third as good as workman as Pankaj and together they finish a piece of work in 36 days. The number of days taken by Suraj alone to finish t...
"A" can finish a task by himself in 30 days. "B" is twice as efficient as "C" and three times more efficient than "A". If "A" and "C" begin the task tog...
P can do a piece of work in 15 days, Q can complete double the work in 60 days and R can do the work in 40 days. If all of them together earn Rs. 3000, ...
‘A’ can do a piece of work in 15 days. ‘B’ can do 70% of the same work in 20 days. If they work together for the entire time and...
Individuals 'A', 'B', and 'C' can complete a certain task independently in 3, 4, and 6 days respectively. If they collaborate on the task, how many days...
105 people could complete a work in 36 days. But after they worked together for 7 days their employer wanted the work should be completed in a total of ...
"Amit" and "Bhanu" have respective completion times of 20 and 30 days for a task. They began working together on the project, but after a few days, "Ami...
A and B can complete a piece of work in 13 and 17 days respectively. A begins to do the work, and they work alternatively one at a time for one day each...
A can do 1/4th of a work in 15 days, B can do the 25% of the work in 20 days & C can do 1/5th of the work in 15 days. Who will complete the work fir...
