Practice Test on Time and Work

In practice test on time and work we have different types of questions to solve and get prepared for 8th grade test on time and work. Objective questions on time and work are given to choose the correct answer from each of the following.

(a) 5

(b) 6

(c) 8

(d) 9

(a) 3/10

(b) 1/9

(c) 2/5

(d) 2/7

(a) 6¹/₂ days

(b) 7 days

(c) 7¹/₂ days

(d) 8 days

(a) 6¹/₅ days

(b) 6²/₅ days

(c) 6³/₇ days

(d) 10 days

(a) P

(b) Q

(c) R

(d) P and R both

6. A and B are working on an assignment. A takes 6 hours to type 32 pages on a computer while B takes 5 hours to type 40 pages. How much time will they take, working together on two different computers, to type an assignment of 110 pages?

(a) 7 hrs 30 min

(b) 8 hrs

(c) 8 hrs and 15 min

(d) 8 hrs 25 min

(a) 60 days

(b) 66 days

(c) 75 days

(d) 80 days

(a) 1/15

(b) 1/10

(c) 11/15

(d) 1/9



9. A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days can both A and B together do the work?

(a) 7³/₄ days

(b) 8⁴/₅ days (c) 9³/₈ days

(d) 10 days

(a) 36 hours

(b) 42 hours

(c) 45 hours

(d) 40 hours

(a) 3 hrs 15 min

(b) 3 hrs 45 min

(c) 4 hrs

(d) 4 hrs 15 min

(a) 7 hrs 15 mm

(b) 7 hrs 30 mm

(c) 7 hrs 45 mm

(d) 8 hrs

13.One tap can fill a water tank four times as fast as another tap. If together the two taps can fill the water tank in 30 minutes then the slower tap alone will be able to fill the water tank in _______ .

(a) 81 min

(b) 108 min

(c) 150 min

(d) 192 min

Hint. Let the slower pipe alone fill the water tank in t minutes.

Then, faster pipe will fill it in t/4 minutes.

Therefore, 1/t + 4/t = 1/30

⇒ 5/t = 1/30

Now solve for t.

Answers of practice test on time and work are given below;

1. (b)

2. (a)

3. (c)

4. (c)

5. (b)

6. (c)

7. (a)

8. (d)

9. (c)

10. (d)

11. (b)

12. (b)

13. (c)

Time and Work

Time and Work

Pipes and Cistern

Practice Test on Time and Work

Time and Work - Worksheets

Worksheet on Time and Work