Quiz- 2

Question 1

Time: 00:00:00
4 men can do a work in 7 days. How many men required to do it in 4 days

7

7

3

3

4

4

28

28

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
An air container can cool the hall in 40 minutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance, then how long will it take to cool the room?

About 22 minutes

About 22 minutes

About 20 minutes

About 20 minutes

About 30 minutes

About 30 minutes

About 25 minutes

About 25 minutes

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

Time: 00:00:00
Mary and John can do a piece of work in 24 days; John and Vino in 30 days; Vino and Mary in 40 days. If Mary, John and Vino work together they will complete the work in :

10 days

10 days

20 days

20 days

17 days

17 days

15 days

15 days

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
A can do a piece of work in 100 days, B and C together can do the same work in 20 days. If B can do the work in same time as that of C and A together then how long C alone can do the same work?

100 days

100 days

50 days

50 days

25 days

25 days

20 days

20 days

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

Time: 00:00:00
A man can complete a job in 12 days and his wife can complete the same job in 15 days. How long will they take to complete the job if they work together?

25/3

25/3

1/30

1/30

3/20

3/20

20/3

20/3

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
Naresh completes a work in 10 days and Suresh does it in 12 days and John does it in 15 days.If the same job has been completed in 6 days who are the workers who completed the job in 6 days?

7hr 30min

7hr 30min

7hr

7hr

8hr 30min

8hr 30min

8hr 15min

8hr 15min

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 7

Time: 00:00:00
Two content Managers can complete developing questions for a module in 18 days .7days after they start working. 10 interns join them . How many days will they take to complete the remaining work if they are all equally efficient ?

5/6

5/6

1/144

1/144

2

2

2/6

2/6

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
A water pump takes 6 hrs to fill an overhead tank.Standby pump takes 10 hrs to fill the same overhead tank.If first pump fails after 2 hrs then how long will the standby pump take to fill the over head tank?

6 hrs

6 hrs

2 hr 30 mins

2 hr 30 mins

8 hrs

8 hrs

6 hrs 40 mins

6 hrs 40 mins

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

Time: 00:00:00
A chemical mixture requires two chemicals,A and B in proportion 3:2.The mixture is to be prepared in a tank of capacity 50 litres.Pipe A can fill the tank with chemical A in 15 mins and pipe B can fill the tank with chemical B in 30 mins.If both pipes are opened when the tank is empty,then for how long should the pipes A nd B run to obtain the mixture?(in mins)

(10,10)

(10,10)

(9,9)

(9,9)

(12,9)

(12,9)

(15,9)

(15,9)

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

Time: 00:00:00
A can finish a job in 12 hours and B in 14 hours. A and B working alternatively, starting with A. If A earns Rs. 50 per hour, how much does A earn through this job?

Rs. 400

Rs. 400

Rs. 250

Rs. 250

Rs. 300

Rs. 300

Rs. 350

Rs. 350

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

Completed

0/0

Accuracy

0%