Quiz Discussion

There is a group of 5 boys and 2 girls. The two groups working together can do four times as much work as a boy and a girl. Ratio of working capacities of a boy and a girl is:

Course Name: Quantitative Aptitude

  • 1] 2 : 1
  • 2] 2 : 3
  • 3] 1 : 3
  • 4] 1 : 2
Solution
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# Quiz
1
Discuss

If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :

  • 1]

    \(\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mn}}}}\)

  • 2]

    \(\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mr}}}}\)

  • 3]

    \(\frac{{{ \text{mr}}}}{{{ \text{m}} + { \text{n}}}}\)

  • 4]

    \(\frac{{{ \text{r}}\left( {{ \text{m}} + { \text{n}}} \right)}}{{{ \text{mn}}}}\)

Solution
2
Discuss

Working 5 hours a day, A can Complete a work in 8 days and working 6 hours a day, B can complete the same work in 10 days. Working 8 hours a day, they can jointly complete the work in:

  • 1] 3 days
  • 2] 4 days
  • 3] 4.5 days
  • 4] 5.4 days
Solution
3
Discuss

Two workers A and B are engaged to do a piece of work. A working alone would take 8 hours more to complete the work that when work together. If B worked alone, would take \({ \text{4}}\frac{1}{2}\) hours more than when working together. The time required to finish the work together is =?

 

  • 1] 5 hours
  • 2] 8 houras
  • 3] 4 hours
  • 4] 6 hours
Solution
4
Discuss

4 men and 10 women were put on work. They completed \(\frac{1}{3}\) of the work in 4 days. After this 2 men and 2 women were increased. They completed \(\frac{2}{9}\) more of the work in 2 days. If the remaining work is to be completed in 3 days, then how many more women must be increased?

 

  • 1] 8
  • 2] 32
  • 3] 50
  • 4] 55
Solution
5
Discuss

Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?

  • 1] 15
  • 2] 25
  • 3] 18
  • 4] 16
Solution
6
Discuss

If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?

  • 1] 60
  • 2] 45
  • 3] 40
  • 4] 30
Solution
7
Discuss

A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works \(\frac{1}{3}\) of actual efficiency, the work would have been completed in 3 days. Find the for A to complete the job alone.

 

  • 1]

    \(6\frac{1}{2}\)

  • 2]

    \(6\frac{1}{4}\)

  • 3]

    \(6\frac{3}{4}\)

  • 4]

    \(12\frac{1}{2}\)

  • 5]

    None of these

Solution
8
Discuss

A, B and C completed a work costing Rs. 1800. A work for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A?

  • 1] Rs. 800
  • 2] Rs. 600
  • 3] Rs. 900
  • 4] Rs. 750
Solution
9
Discuss

A can do a piece of work in 15 days, which B can do it in 10 days. B worked at it for 8 days. A can finish the remaining work in?

  • 1] 2 days
  • 2] 3 days
  • 3] 5 days
  • 4] 10 days
Solution
10
Discuss

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

  • 1]

    20 days

  • 2]

    \(22\frac{1}{2}\) days

  • 3]

    25 days

  • 4]

    30 days

Solution
# Quiz