PEA 402 Quiz 1

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do a job. How long should it take both A and B, working together to do same job.

• 30
• 15
• 45
• 60

A can finish a work in 18 days and B can do same work in half the time taken by A. then working together, what part of same work they can finish in a day

• 1/5
• 1/6
• 1/7
• 1/8

A can do some work in 18days B can destroy that in 24days. In how many days the work will be done if they are working on alternate days.

• 135
• 132
• 133
• 137

Pipe A can fill a tank in 3 days and Pipe B can fill the same tank in 6 days Find the time taken in days to fill the tank if both the pipes operate alternatively starting with Pipe A.

• 3
• 4
• 7
• 6

A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work.

• 27 days
• 54 days
• 56 days
• 68 days

If 10 men can reap a field in 8 days, then 8 men will reap the same field in?

• 8days
• 10days
• 11days
• 12days

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

• 8hrs
• 10hrs
• 11hrs
• 12hrs

Running at the same constant rate, 6 identical machines can produce a total of 270 pens per minute. At this rate, how many pens could 10 such machines produce in 4 minutes?

• 1800
• 1000
• 900
• 1200

In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

• 1days
• 160days
• 80days
• 40days

If 80 men can reap 80 hectares in 20 days, how many hectares will 16 men reap in 30 days?

• 24
• 40
• 42
• 45