Mental Ability & General English>Chapter 13 - Time & Work>PREVIOUS QUESTIONS>Q 6

MEDIUM

IBPS RRB Office Assistant Prelims

IMPORTANT

Earn 100

$3$ pumps working $8$ hours a day, can empty a tank in $2$ days. How many hours a day must $4$ pumps work to empty the tank in $1$ day?

50% studentsanswered this correctly

Important Questions on Time & Work

EASY

IBPS RRB Office Assistant Prelims

IMPORTANT

Mental Ability & General English>Chapter 13 - Time & Work>PREVIOUS QUESTIONS>Q 7

A

and

B

can do a piece of work in

5

days.

B

and

C

can do the same piece of work in

7

days.

A

and

C

can do it in

4

days. What is the time required for

A

to complete the work if he works alone (in days)?

MEDIUM

IBPS RRB Office Assistant Prelims

IMPORTANT

Mental Ability & General English>Chapter 13 - Time & Work>PREVIOUS QUESTIONS>Q 8

If a boat goes

7 k m

upstream in

42

minutes and the speed of the stream is

3 k m p h

, then the speed of the boat in still water is (in

k m p h

)?

MEDIUM

IBPS RRB Office Assistant Prelims

IMPORTANT

Mental Ability & General English>Chapter 13 - Time & Work>PREVIOUS QUESTIONS>Q 9

X

and

Y

can do a piece of work in

15

days and

10

days respectively. They work for

3

days after which

X

was replaced by

Z

. If the work was finished in the next

4

days, find the number of days in which

Z

alone could do the work (in days)?

HARD

IBPS RRB Office Assistant Prelims

IMPORTANT

Mental Ability & General English>Chapter 13 - Time & Work>PREVIOUS QUESTIONS>Q 10

2

men and

7

boys can do a piece of work in

14

days,

3

men and

8

boys can do the same in

11

days.

8

men and

6

boys can do three times the amount of this work in how many days?