Question
Minimum sample size to apply x2 test
isSolution
For perfoming x2 test minimum sample size should be 50
‘A’ alone can complete a work in 12 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 6 days, then...
Mira is 40% more efficient than Priya, and Neha is 10% more efficient than Mira. If Neha and Mira together can do a piece of work in 15 days, in how man...
Arjun, Bharat and Chintu together can complete a task in 8 days. Bharat is 25% less efficient than Arjun. Arjun and Chintu together can complete the tas...
Peter and Rachel can complete a project together in 20 days. Peter takes four times as long as Rachel to complete the same project alone. Find the time ...
‘A’ alone can complete a work in 40 days while ‘A’ and ‘B’ together can complete the same work in 30 days. How much ...
The time taken by ‘A’ to complete a task is 6 days more than the time taken by A and B together. If A is twice as efficient as B, find the time requ...
‘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...
- X can finish a task in 20 days, while Y can do it in 25 days. If Z needs 1.2 times the time taken by X and Y together, find the number of days Z will take ...
Anita is 1100% more efficient than Veena. If Veena can do (1/24)th part of work in six days, then Anita alone can complete the work in_______days. If An...
C and D together can complete a work in 36 days. If C alone can do it in 60 days, how many days will D take to complete the work alone?
Relevant for Exams:
