Question
Which of the following operating systems is the most
expensive?Solution
The retail price for Windows 8 is $125. Apple sells Mac OS X Lion through the Apple App Store at $29. Ubuntu is free.
18 men can finish a work in 15 days by working 8 hours a day. How many more men are needed to finish the work in 12 days by working 6 hours a day?
A and B together do a job in 12 days. A alone does it in 20 days. How many days for B alone?
‘M’ and ‘N’ together can do a work in 20 days. If ‘M’ increases his efficiency by 25% while ‘N’ decreases his efficiency by 50%, then t...
'A' is 40% less productive compared to 'B', who is 25% more productive than 'C'. Together, they can finish a task in 45 days. After 'B' and 'C' have col...
Abhijeet' is 50% less efficient than 'Vivek' and can achieve 25% of the sales target in 8 days.'Chirag' takes 4 days more than 'Vivek' to achieve the ta...
A completes 1/3 of a task in 4 days, while B finishes the remaining work in 8 days. If B is 25% less efficient than C, how many days will A, B, and C to...
- Karan can do 60% of a job in 36 days while Meena does 20% in 18 days. Karan works for 20 days and stops. Calculate how many days Meena will take to complet...
(y+15) men can do a piece of work in (z-30) days. (y-15) men can do the same piece of work in (z+45) days. If (y+25) men can do the same work in (z-45) ...
- X and Y can complete a piece of work in 20 days. They worked for 10 days and left. Z completed the rest of the work in 10 days. Find how long Z would take ...
- Two workers, A and B, can finish a task in 36 days and 48 days respectively, working alone. How many days will they take to complete the work together?
