Time and Work Quiz Set 020 | Maths Aptitude Quiz Questions and Mock Test on Time and Work Set 20 | mock tests for Bank PO, SSC Exams, SO Clerical Exam, GATE Exam, LIC AO, GIC AO, etc.

**Your Score**
Correct Answers:
Wrong Answers:
Unattempted:

Question 1

A and B can complete a job in 36 and 36 days. They start together but A leaves after working for 24 days. How long would B take to finish the job counting from the day both A and B started together?

12 days.

13 days.

11 days.

15 days.

Soln.
Ans: a

If B takes x days. The total job is A's work in 4 days + B's work in x days = $24/36$ + $x/36$ = 1. Solving, we get x = 12 days.

Solution | Discuss! | Chapters»

Question 2

If 45 men can do a task in 32 days if they work 17 hours per day, how many men are required to complete the task in 15 days if they work 4 hours?

408.

409.

407.

411.

Soln.
Ans: a

If m₁ men can do a task in d₁ days by working h₁ hours per day, and m₂ in d₂ days by working h₂ hours per day, then we must have m₁ × d₁ × h₁ = m₂ × d₂ × h₂. Putting m₁ = 45, d₁ = 32, h₁ = 17, d₂ = 15, and h₂ = 4 we get m₂ = 408.

Solution | Discuss! | Chapters»

Question 3

6 men and 4 women finish a job in 30 days. In how many days will 8 women and 12 men finish that job?

15.

14.

16.

17.

Soln.
Ans: a

Since the work force is being doubled proportionately, the time is halved = 15 days.

Solution | Discuss! | Chapters»

Question 4

A can harvest a field in 19 days. B can do the same work in 4 days. C can do the same work in 10 days. In how many days will they together harvest the field?

$2{74/153}$ days.

$3{74/153}$ days.

$4{74/153}$ days.

$5{74/153}$ days.

Soln.
Ans: a

Putting x = 19, y = 4 and z = 10 in the shortcut method, we get ${xyz}/{xy + zy + zx}$ = ${380/153}$, which is same as: $2{74/153}$.

Solution | Discuss! | Chapters»