# 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 - A can do a work in 4 days, B can do it in 5 days and C can do it in 10 days. A, B and C together can take the necessary steps in

### Answer : B

### Explanation

A 1 days work=1/4, B 1 days work=1/5 and C 1 days work=1/10. (A+B+C) 1 days work= (1/4+1/5+1/10) = (5+4+2)/2=11/20. ∴A, B, C together can do it in 20/11 days,i.e.20/11days.

Q 3 - A can do a bit of work in 24 days while B alone can do it in 16 days. With the help of C, they can complete the work in 8 days. C alone can take every necessary step in

### Answer : D

### Explanation

(A+B)'s 1 day work = (1/24+1/16)= 5/48 (A+B+C) 's 1 day work = 1/8 C's 1 day work = (1/8- 5/48) = 1/48 ∴C alone can finish the work in 48 days.

Q 4 - A can do a bit of work in 10 days and B can do it in 20 days. They begin the work together . Be that as it may, following 5 days, A leaves off. B will do the remaining work in

### Answer : A

### Explanation

(A+B)'s 5 days work = 5(1/10+ 1/20) = 3/4 ; remaining work = (1- 3/4) = 1/4 1/20 work is done by B in 1 day. 1/4 work is done B in (20* 1/4) = 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 - 8 men can do a bit of work in 12 days. 4 ladies can do it in 48 days and 10 kids can do it in 24 days. In how long can 10 men, 4 ladies and 10 kids together finish the bit of work?

### Answer : D

### Explanation

8 men 1 day work = 1/12 ⇒1 man 1 day work = 1/96 4 women 1 day work = 1/48 ⇒1 women 1 day work = 1/192 10 children 1 day work = 1/24 ⇒1 child 1 day work = 1/240 (10 men + 4 women +10 children)'s 1 day work = (10/96 + 4/192 +10/240) = (5/48+ 1/48+ 1/24) = (5+1+2)/48 = 8/48 = 1/6 So, they can finish the work in 6 days.

Q 7 - 10 ladies can finish a work in 8 days and 10 youngsters take 12 days to finish the work. How long will 6 ladies and 3 kids together take to finish the work?

### Answer : B

### Explanation

10 women 1 days work =1/8 ⇒1 women 1 day work = 1/80 10 children 1 day work = 1/12 ⇒1 children 1 day work = 1/120 (6 women + 3 children) 1 day work = (6/80 +3/120) = (3/40+ 1/40) = 4/40 = 1/10 So, they can finish the work in 10 days.

Q 8 - 2 men and 3 ladies can complete a bit of work in 10 days, while 4 men can do it in 10 days. In how long will 3 men and 3 ladies complete it?

### Answer : C

### Explanation

Let 1 men 1 day work be x and 1 women 1 day work be y. then 2x+3y = 1/10 ... (1) 4x= 1/10 ⇒ x= 1/40 Putting x= 1/40 in (1), we get 2*1/40 + 3y = 1/10 ⇒3 y = (1/10- 1/20) = 1/20 ⇒y = 1/60 (3 men + 3 women)'s 1 day work = (3* 1/40 + 3*1/60) = (3/40 +1/20) = 1/8 SO, they will finish the work in 8 days.

Q 9 - Two man embrace to do a bit of work for Rs. 4000. One alone can do it in 6 days, the other in 8 days. With the assistance of a kid, they complete it in 3 days. The young men offer is:

### Answer : B

### Explanation

Let the men be A and B and the boy be C. A's 1 days work = 1/6, B's 1 day work = 1/8. (A+B+C)'s 1 day work = 1/3 1/6 + 1/8 +1/x = 1/3 ⇒1/x = (1/3- 7/24) = 1/24 Ratio of shares of A, B, C = 1/6: 1/8: 1/24 = 4:3:1 Boys share = (4000*1/8) = RS. 500

Q 10 - A, B and C finished a bit of work costing Rs. 1800. A labored for 6 days, B for 4 days and C for 9 days. On the off chance that their day by day wages are in the proportion 5:6:4, how much sum will be gotten by A?

### Answer : B

### Explanation

Ratio of wages of A,B,C=(6*5):(4*6):(9*4)=30:24:36=5:4:6. A share=Rs (1800*5/15) =Rs 600.