Start learning 50% faster. Sign in now
When phenol is distilled with Zn-dust, it gives benzene. it is an example of reduction. Phenol loses one O atom.
A 210 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 100 litres of alcohol,...
‘A’ and ‘B’ can do a piece of work in 15 days and 20 days, respectively. They started working together but ‘A’ left after 3 days. Find the t...
Tony has 3 sons – Harry, Peter and Murphy. Harry and Peter can complete the work in 24 days and 36 days respectively. In how many days Murphy will...
A takes 30% longer to complete a task than B. If the total payment for the work is Rs. 11,500 and they complete the task together, how much should A be ...
'C' and 'D' together can complete a work in 40 days. They started working together but after 20 days, 'D' left and remaining work was completed by 'C' a...
Anmol can do a piece of work in 30 days, Bineet can complete double the work in 90 days and Chintu can do the work in 60 days. If all of them jointly ge...
‘A’ and ‘C’ together can dig a hole in 8 hours while ‘A’, ‘B’ and ‘C’ together can dig the same hole in 6 hours. Find the time taken...
‘A’ and ‘B’ can complete a certain work in 16 days and 32 days, respectively. They started working together and worked till completion of the wo...
Amit is 66(2/3)% more efficient than Vivek who can do the same work in 25% more time than Sameer. If Amit and Sameer together can complete 70% of work ...