# Aptitude - Time & Work Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Simple Interest**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

Q 1 - To finish a work, a sets aside half additional time than B. In the event that together they take 18 days to finish the work, what amount of time might B take to isn't that right?

### Answer : A

### Explanation

Suppose B takes x days. Then , A takes 150x/100 days , i.e. 3x/2 days ∴1/x+ 2/3x= 1/18 ⇒5/3x= 1/18 ⇒3x = 90 ⇒x= 30 Hence B takes 30 days.

Q 2 - 3 men or 5 ladies can do a work in 12 days. To what extent will 6 men and 5 ladies take to complete the work?

### Answer : A

### Explanation

3 men =5 women ⇒(6 men +5 women )=15 women Now, 5 women can do it in 12 days. 1 woman can do it in (12*5) days. 15 women can do it in 12*5/15days=4days.

Q 3 - A can do a bit of work in 20 days which B can do in 12 days. B worked at it for 9 days. A can complete the remaining work in:

### Answer : B

### Explanation

B's 9 days work = (1/12*9)= 3/4 ; remaining work = (1-3/4 )= 1/4 1/20 work is finished by A in 1 day. 1/4 works is finished by A in (20*1/4) days. =5 days

Q 4 - A can do a bit of work in 14 days which B can alone do in 21 days. They start together however 3 days before the fruition of the work, A leaves off. The aggregate no. of days for the work to be finished is

### Answer : C

### Explanation

B's 3 days work = (3*1/21)= 1/7 ; Remaining work = (1-1/7) = 6/7 (A+B)'s 1 day?s work = (1/14+ 1/21) = 5/42 5/42 work is finished by (A+B) in 1 day. 6/7 work is finished by (A+B) in (42/5 * 6/7) days = 36/5 days Total no. of days = (3+36/5) = 51/5 days.

Q 5 - A man and a kid finish a work together in 24 days. On the off chance that throughout the previous 6 days man alone takes every necessary step then it is finished in 26 days. To what extent the kid will take to complete the work done?

### Answer : D

### Explanation

Work done by (man + boy ) in 20 days = (1/24*20)= 5/6 Remaining work = (1-5/6) = 1/6 1/6 work is done by boy in 6 days. Whole work will be done by the boy in (6*6) = 36 days

Q 6 - A men, a ladies and a kid can together finish a bit of work in 3 days. In the event that a men alone can do it in 6 days and a kid alone in 18 days, to what extent will a ladies take to finish the work?

### Answer : A

### Explanation

(1 man+ 1 women +1 boy ) 1 day work = 1/3 Suppose the women alone can do it in x days. Then 1/6 +1/x+1/18= 1/3 ⇒4/18 +1/x = 1/3 ⇒1/x = (1/3- 2/9) = 1/9 So, 1 woman can do the work in 9 days

Q 7 - If 5 men or 9 ladies can complete a bit of work in 19 days, 3 men and 6 ladies will do likewise work in

### Answer : D

### Explanation

5 men 1 day work = 1/19 ⇒ 1 man's 1 day work = 1/95 9 women 1 day work = 1/19 ⇒1 women 1 day work = 1/171 (3 men + 6 women) 1 day work = (3/95 + 6/171) = (27+30)/855 = 57/ 855 = 1/15 ∴ 3 men and 6 women can finish the work in 15 days.

Q 8 - A and B attempted to do a bit of work for rs .4500. An alone could do it in 8 days and B alone in 12 days. With the help of C, they completed the work in 4 days. C's offer of cash is:

### Answer : B

### Explanation

A's 1 day work = 1/8 ,B's 1 day work = 1/12 (A+B+C) 's 1 days work = 1/4 C 's 1 day work = 1/4 - (1/8+ 1/12) = (1/4 -5/24) = 1/24 A: B: C = 1/8: 1/12: 1/24 = 3:2:1 C's share = (4500* 1/6) = Rs. 750

Q 9 - A can do 1/4th some portion of the work in 10 days, B can do 40% of the work in 40 days and C can do 1/3 rd of the work in 13 days. Who will finish the work first?

### Answer : C

### Explanation

1/4th of the work is done by A in 10 days. Whole work will be done by A in (10*4/1) = 40 days 40/100 of the work is done by B in 40 days. Whole work will be done by B in (40*5/2) = 100 days 1/3 of the work is done by C in 13 days. Whole work will be done by C in (13*3/1) = 39 days Hence, C will complete the work first.

Q 10 - 12 men take 36 days to do a work while 12 ladies complete 3/fourth of the same work in 36 days. In how long 10 men and 8 ladies together will finish the same work?

### Answer : D

### Explanation

Time taken by 1 man to finish the work = (36*12) day= 432 days. 3/4 th of work is completed by 12 women in 36 days. Whole work is completed by 12 woman in (36*4/3) =48 days. Time taken by 1 woman to finish the work = (48*12) days = 576 days.