UP SI MATHS QUIZ

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Question 1:

20 persons were engaged to complete a work in 8 days. Due to COVID 19 infection, 4 persons left the job after 4 days. The total number of days required to complete the work is:

Question 2:

A can finish a piece of the work in 16 days and B can finish it in 12 days. They worked together for 4 days and then A left. B finished the remaining work. For how many total number of days did B work to finish the work completely?

Question 3:

A, B and $\mathrm{C}$ can do a work in 8,10 and 12 days, respectively. After completing the work together, they received ₹ 5,550. What is the share of B (in ₹) in the amount received?

Question 4:

5 men and 2 boys can do in 30 days as much work as 7 men and 10 boys can do in 15 days. How many boys should join 40 men to do the same work in 4 days?

Question 5:

Radha who is half as efficient as Kirti, will take 30 days to complete a task if she works alone. If Radha and Kirti work together, how long will they take to complete the task?

Question 6:

12 persons can dig a trench $20 \mathrm{~m}$ in length in 8 days. The number of persons required to dig a $30 \mathrm{~m}$ trench of the same width and depth in 6 days, is:

Question 7:

$A$ can do a piece of work in 18 days. $A$ and $B$ working together can do the same work in 8 days, while $B$ and $C$ working together can do the same work in 6 days. In how many days can $A, B$ and $C$ working together do the same work?

Question 8:

Working together, A, B and C can do a certain work in 10 days. A is 20 % more efficient than B, and C is 50 % less efficient than B. B alone can complete the same work in ?

Question 9:

15 boys can complete a work in 10 days and 12 girls can complete the same work in 15 days. If all 15 boys and 12 girls work together, in how many days will the work get completed?

Question 10:

A can complete a work in 10 days and B can complete it in 15 days. If they work on it together for 5 days, then the fraction of the work left will be: