The Bordeaux mixture, named after the Bordeaux region of France where it was developed and used against the downy mildew of grape, is the product of reaction of copper sulfate and calcium hydroxide (hydrated lime).
The total age of 'R' and 'D' eight years ago was thirty-six. Four years separate 'R' and 'D' in age. Determine the total age difference (in years) betwe...
A is thrice as efficient as B and can finish a piece of work in 28 days less than B. B can finish this work in how many days?
P and Q can complete a project in 15 days and 10 days, respectively. They started doing the work together, but after 2 days, Q had to leave and P alone...
Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring tog...
A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?
A and B can finish a work working on alternate days in 19 days, when A works on the 1st day. Similarly, they can finish the work working on alternate da...
Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened toge...
Three pipes, A, B, C can fill an empty cistern in 2, 3 and 6 hours respectively. They are opened together. After what time should B be closed, so that ...
A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B ta...
A and B can complete a piece of work in 120 days, B and C can complete it in 150 days, and A and C can complete it in 200 days. In how many days can B ...
