Introduction
Time and Work is one of important topic in Quantitative Aptitude Section. In Time and Work – Quiz 6 article candidates can find questions with answer. By solving this questions candidates can improve and maintain, speed, and accuracy in the exams. Time and Work – Quiz 6 questions are very useful for different exams such as IBPS PO, Clerk, SSC CGL, SBI PO, NIACL Assistant, NICL AO, IBPS SO, RRB, Railways, Civil Services etc.
Q1
A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
- A. 3.75 days
B. 4 days
C. 5 days
D. 6 days
[latex]\frac {1}{6} + \frac {1}{10} = \frac {8}{30} = \frac {4}{15}[/latex]
[latex]\frac {15}{4}[/latex] = 3.75 days
Q2
A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
- A. 20 days
B. 16 days
C. 24 days
D. 28 days
[latex]\frac {1}{8} - \frac {1}{2} = \frac {1}{24} \Rightarrow 24 days[/latex]
Q3
A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
- A. 20 days
B. 16 days
C. 24 days
D. 28 days
[latex]\frac {1}{2} - \frac {1}{4} - \frac {1}{5} = \frac {1}{20} \Rightarrow 20 days[/latex]
Q4
A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
- A. 18
B. 20
C. 22
D. 24
x ------- 9
(x + 10) ---- 6
x [latex]\times[/latex] 9 = (x + 10)6
x = 20
Q5
Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
- A. 17 [latex]\frac {1}{7}[/latex]
B. 16 [latex]\frac {1}{7}[/latex]
C. 15 [latex]\frac {1}{7}[/latex]
D. 14 [latex]\frac {1}{7}[/latex]
[latex]\frac {1}{30} + \frac {1}{40} = \frac {7}{120}[/latex]
[latex]\frac {120}{7} = 17 \frac {1}{7}[/latex] days