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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 - Kamal can do a work in 15 days. Bimal is half more proficient than kamala. The no. of days, Bimal will take to do likewise bit of work, is

Answer : A

Explanation

Kamal 1 day work=1/5.
Bimal 1 days work=150% of 1/15=150/100*1/15 =1/10.
∴Bimal can finish the work in 10 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 man, a ladies and a kid together finish a work in 3 days .If a men alone can do it in 6 days and a kid alone in 18 days, to what extent a ladies will take to finish the work?

Answer : A

Explanation

(1 m+ 1w +1 b) 's 1 day work = 1/3
1/6+ 1/x+1/18 = 1/3 ⇒ 4/18+ 1/x= 1/3 ⇒1/x = (1/3- 2/9) = 1/9 ⇒x= 9
∴ 1 woman can finish the job in 9 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 - The rates of working of A and B are in the proportion 3:4. The no. of days taken by them to complete the work is in the proportion

Answer : C

Explanation

Ratio of time taken =  1/3 : 1/4 = 4:3

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 - 8 kids and 12 men finish a sure bit of work in 9 days. In the event that every youngster takes double the time taken by a men to complete the work, in how long will 12 men complete the same work?

Answer : D

Explanation

2 children = 1 man
∴ (8 children + 12 man) = 16 men
Let the required number of days be x.
Less man, more days
12: 16:: 9: x ⇒x = 16*9/12 = 12 days

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 - 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.

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