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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 - Ram and sham together can complete a vocation in 8 days. Ram can do likewise work all alone in 12 days. To what extent will sham take to carry out the occupation without anyone else's input?
Answer : C
Explanation
(Ram +sham)'s 1 day work = 1/8 , Ram 1 day work = 1/12 Sham 1 day work = (1/8-1/12) =1/24 ∴ Sham alone can finish the work in 24 days.
Q 2 - A and B can finish a bit of work in 8 days while B and C together can do it in 12 days . All the three can together finish in 6 days. In the amount of the truth will surface eventually and C together finish the work?
Answer : A
Explanation
(A+B) 1 day work=1/8, (B+C) 1 day work=1/12. Suppose (A+C) can finish it in x day. Then, (A+C) 1 day work=1/. 2(A+B+C) 1days work = (1/8+1/12+1/x) ⇒ (2*1/6) = (1/8+1/12+1/x) =5/24+1/x ⇒1/x = (1/3-5/24)3/24=1/8⇒x=8. ∴A and C can finish the work in 8 days.
Q 3 - A and B together can finish a work in 3 days. They begin together. In any case, following 2 days, B left the work. In the event that the work is finished following 2 more days, B alone could take every necessary step in
Answer : B
Explanation
(A+B)'s 2 day work = (1/3*2)= 2/3 A's 2 days work = (1- 2/3) = 1/3 B's 2 days work = (2/3- 1/3) = 1/3 B's 1 day work = 1/6 ∴ B alone can finish the work in 6 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 delve a pit in 20 days. On the off chance that a man works half double as a kid then 4 men and 9 kids can delve a comparable pit in:
Answer : D
Explanation
1 man = 3/2 boys , 8 men = (8*3/2) boys = 12 boys (4men + 9 boys) = (4*3/2 +9) boys = 15 boys Now, 12 boys dig it in 20 days. 1 boy digs it in (20*12) days. 15 boys will dig it in (20*12)/15 days = 16 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.