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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 - 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 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how long both A and B together can take the necessary steps?
Answer : C
Explanation
1/3 work is done by A in 5 days. Whole work will be done by A in 15 days. 2/5 work is done by B in 10 days. Whole work will be done by B in (10*5/2) day?s i.e 25 days (A+B) 's 1 days work = (1/15+1/25) = 8/75 ∴A and B can do the work in 75/8 days
Q 4 - A and B can complete a bit of work in 30 days. They began at it for 20 days and after that B left. The remaining work was finished by An alone in 20 more days. An alone can complete the work in
Answer : D
Explanation
Work done by (A+B) in 20 days = (1/30*20) = 2/3 ; remaining work = (1- 2/3 )= 1/3 1/3 work is done by B in 20 days. Whole work is done by A in (20*3) = 60 days
Q 5 - Aand B can finish a bit of work in 12 days and 18 days separately. A starts to take every necessary step and they work on the other hand each one in turn for one day each. The entire work will be finished in
Answer : A
Explanation
Working on alternate day s(A+B) 's 2 days work = (1/12+1/18)= 5/36 (A+B) 2 days work = 5/36 (A+B)'s 14 days work = (5/36*7) = 35/36 ; remaining work = (1-35/36)= 1/36 Now it is A's turn. 1/12 work is done by A in 1 day. 1/36 work is done by A in (12* 1/36) day = 1/3 day Total time taken = 43/3 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 - If 1 men or 2 ladies or 3 kid can do a bit of work in 44 days , then the same bit of work will be finished by 1 men , 1 ladies and 1 kid in
Answer : B
Explanation
1 man 's 1 day work = 1/44 , 2 women?s 1 day work = 1/44 ∴ 1 women 1 day work = 1/88 3 boys 1 day's work = 1/44 ⇒1 boys 1 day work = 1/132 (1 man + 1 women + 1 boy)'s 1 day work = (1/44+ 1/88+1/132 )= (6+3+2)/264 = 11/264 = 1/24 ∴ 1 man+ 1 women + 1 boy's can finish this work in 24 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 - 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.