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At a PH 2.5, sodium benzoate is most effective to inhibit bacteria growth.
‘A’ can do a piece of work in 10 days. ‘B’ can do 70% of the same work in 20 days. If they work together for the entire time and get paid Rs.108...
X can do a piece of work in 20 days. He worked at it for 5 days and then Y finished it in 15 days. In how many days can X and Y together finish the work?
A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to w...
Ashish and Anil can do a piece of work in 12 days and 16 days respectively. Ashish completed 25% of the work. Find the time taken by Anil to complete th...
Working together, A and B can do a certain work in 45 days. They work together for 10 days. They complete the remaining work in 28 days with the assista...
Ratio of the work done by P, Q and R in one day is 5:3:7 respectively. They all together can complete the work in 35 days. Q and R worked on it for 20 d...
A and B together can do a piece of work in (p-8.8) days.The efficiency of D is 10% less than the efficiency of B. A and C together can do the same piece...
Sudhanshu completes`1/3` of work in 12 days, then he completes the remaining work with the help of Neeraj in 4 days. The time required for Neera...
A, B and C alone can complete a work in 12, 24 and 20 days respectively. All of them started working together but after 2 days from start A left the job...
