SSC CGL QUANT QUIZ(TIME,SPEED & WORK)

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Question 1:

If the Average speed of two car is 15 km and first car average speed is 20 km. Then find out the average speed of second car ?

Question 2:

If a person had walked at a speed of 15 km/h instead of walking at a speed of 10 km/h, he would have walked 30 km more in the same time. The actual distance travelled by him was:

Question 3:

A train covers a distance of 14 km in 10 min. If its speed is decreased by 4 km/h, then how much time will be taken by it to cover the same distance?

Question 4:

A train covers a distance of 56 km in 40 minutes. If its speed is decreased by 9 km/h, then the time taken by it to cover the distance of 225 km will be:

Question 5:

A and B can do a piece of work in 8 days, B and C can do the same work in 24 days while C and A can do the same work in $\frac{60}{7}$ days in how many days will C alone do it?

Question 6:

A finish a work in 1500 days and B can do the same work in 1815 days. Working together, they will complete the same work in how many days?

Question 7:

A and B can complete a piece work in 20 days while B and C can do the same work in 25 days and C and A can do the work in 15 days then find in how many days A can complete the whole work?

Question 8:

A can complete a certain work in 30 days. $B$ is $25 \%$ more efficient than $A$ and $\mathrm{C}$ is $20 \%$ more efficient than $\mathrm{B}$. They all worked together for 3 days. B alone will complete the remaining work in.

Question 9:

$A$ and B, working together, can complete a work in d days. Working alone, $A$ takes $(8+$ d) days and $B$ takes $(18+$ d) days to complete the same work, A works for 4 days. The remaining work will be completed by B alone, in:

Question 10:

12 Type writer including male and female working together 3 hours in a day can type 70 pages of MATHS MIRROR in 14 days. Then in how many Hour a day 18men can type 210 pages in 3 days.