Question
For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64,
rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is:Solution
The correct answer is C
Rahul can complete a work in 12 days and Ayush in 15 days. If they work together for 3 days, then the fraction of work that will be left is:
A can do a work in 16 days and B can do the same work in 12 days. How long will it take for A and B to complete the work if they work together?
‘C’ and ‘D’ can together complete a piece of work in 20 days. If ‘C’ alone can do it in 50 days, find the number of days ‘D’ will take t...
35 typists working 9 hours per day can complete a typing job in 14 days. ____ typists working _____ hours per day can complete (3/4)th part of the work ...
Akhil and Nikhil together can complete a work in 15 days while Nikhil alone takes 20 days to complete 50% of the work. If the efficiency of Sachin is 20...
The amount of work completed by 24 men in 5 hours is equivalent to the work done by 21 women in 8 hours. A team of 33 men, working 6 hours daily, can fi...
- Ajay completes half the work done by Rohit in 5/6 of the time. If they together finish the work in 18 days, how much time will Rohit take to complete the w...
Ajay and Bheem collectively earned Rs.9,000 for completing a task, with Bheem's share being Rs.3,000. If Bheem can complete the work on his own in 48 da...
Working alone, B can complete the work in 30 days. C is twice as efficient as B and A takes 3 days more than it takes C to complete the work. Working to...
The day efficiency of Rajeev is equal to the one-day efficiency of Divya and Vivek together. Divya is 25% more efficient than Vivek and starts with 20% ...
