Crack IBPS PO : Time and Work : Day 49

D.1-5) Study the following passage and answer the questions accordingly.

Five members of a family live in Mumbai namely A, B, C, D and E. A and B together can do a piece of work in 80 days. B and C together can do a piece of work in 60 days. C and D together can do a piece of work in 40 days. D and E together can do a piece of work in 20 days. A alone can do a piece of work in 120 days.

Q.1) If A, B and C together can do a piece of work in ‘x’ days then how much work could be done in the same days when E do the same work?

a) 2/5

b) 1/3

c) 2/3

d) 4/3

e) None of these

Q.2) B, C and D can complete a piece of work in ‘x’ days. If all of them work together and after three days B left and the remaining work be completed by C and D with help of E. In how many days can C, D and E do the remaining work?

a) 11 3/5 days

b) 12 3/5 days

c) 13 3/5 days

d) 14 3/5 days

e) None of these

Q.3) A, C and D can do a piece of work in x, y and z days, respectively. They work alternately in a way that first day A , second day C and third day D, fourth day A and so on. How many days will be needed to complete the work in this way?

a) 90 days

b) 80 days

c) 70 days

d) 60 days

e) None of these

Q.4) A, B and C can do a piece of work in ‘x’ days, ‘y’ days and ‘z’ days respectively. As they were ill, they could do 90% , 75% and 80% of their efficiency, respectively. How many days will they take to do the work together?

a) 43 16/33 days

b) 33 1/33 days

c) 48 16/33 days

d) 12 12/33 days

e) None of these

Q.5) C can do 1/4  of a work in 80 days, D can do 40% of the same work in 80 days and E can do 1/3 of a work in 800/3 days. Who will complete the work first?

a) C

b) D

c) E

d) Both C and D

e) None of these

D.6-10) Study the following information carefully and answer the question given below.

Given table shows percentage of number of students from 5 different schools attended 5 different tournaments.

Q.6) Number of students from C who attended chess, hockey and cricket is equal to the number of students who attended football, cricket and tennis from school E. Total number of students in school E is 160. Find the number of students who attended tennis from school C.

a) 50

b) 31

c) 48

d) 45

e) 43

Q.7) Number of students who attended hockey tournament from school A is the sum of the number of students who attended football tournament from school D and the number of students who attended cricket tournament from the same school. Then find the number of students from school D is what per cent of number of students from school A?

a) 40 20/37%

b) 41%

c) 40 5/9%

d) 20 20/37%

e) 44%

Q.8) Number of students from school B who attended hockey tournament is approximately what percentage less than the number of students from school C who attended tennis tournament. If the number of students who attended football from school B is 52 and the number of students who attended chess from school C is 15 more than the number of students who attended chess from school B.

a) 24%

b) 23%

c) 19%

d) 15%

e) 17%

Q.9) If the difference between the number of students who attended cricket from school E and number of students who attended football from same school is 25, and the total number of students from school B is 40% more than the total number of students from school E. In school E percentage of number of students who attended tennis is equal to percentage of number of students who attended cricket. Find the number of students who attended football from school B

a) 150

b) 125

c) 180

d) 140

e) 175

Q.10) Find the number of students who attended cricket from school C, if the number of students who attended tennis from school C is 80?

a) 46

b) 38

c) 15

d) 48

e) 20

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