World Health Organization (WHO) recently recommended a new vaccine, R21/Matrix-M, for the prevention of malaria in children It was developed by the University of Oxford and the Serum Institute of India with support from the European and Developing Countries Clinical Trials Partnership ('EDCTP'), the Wellcome Trust, and the European Investment Bank ('EIB')
Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?
Naina and Kalpana working together can do a piece of work in 10 days, whereas Naina alone can do it in 12 days. In how many days can Kalpana do it alone?
Karan, Arjun and Krunal alone can complete a work in 30, 45 and 36 days respectively. All of them started working together but after 3 days from start K...
‘n’ men working 20 hours a day can complete a work in 8 days while (6n – 4) men working 10 hours a day can complete the same work in 8...
Workers A, B, and C can individually complete a task in 35 days, 20 days, and 28 days, respectively. If B and C work together for a certain number of d...
Ratio of the work done by P, Q and R in one day is 6:5:7 respectively. They all together can complete the work in 36 days. Q and R worked on it for 18 d...
P’s 2 days work is equal to Q’s 5 days work. If P and Q together can complete the work in 30 days then how much time Q will take to complete 60% of ...
'A' and 'B' can complete a piece of work in 10 days, 'B' and 'C' can complete the work in 16 days, and 'A' and 'C' can complete the work in 20 days. Fin...
Anil and Ashish receive Rs.2000 for work of 10 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
P can do a piece of work in 30 days. Q do the same work in 40 days. R can do it in 35 days. P and R worked for 4 days and handed it to Q. Q worked for s...
