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 take to finish the rest of the job?
LCM of 50,75 an 20 is 300 units Each day A can do 300/50 =6 units Each day B can do 300/75 =4 units Each day A can do 300/20 =15 units In each day 6+4+15=25 units for 4 days they do 4*25=100 units Each day A and B an together do 10 units Therefore 200/10 =20 days
What does the "Model" represent in the MVC architecture?
Which type of database model organizes data into tables with rows and columns?
Which is used to find similar character/string in SQL?
Which of the following best describes inheritance in object-oriented programming?
In natural language processing (NLP), what does TF-IDF stand for?
What is the full form of GPRS?
syntax of loops in shell scripting?
In a circuit with n nodes, how many independent KCL equations can be written?
Out of star schema and snowflake schema, whose dimension table is normalized?
Which data visualization technique is best suited for displaying hierarchical data with a tree-like structure?
