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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 - 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 and B can do a bit of work in 45 days and 40 days . they started the work together however A leaves after a few days and B completed the remaining work in 23 days . After how long did A leaves?
Answer : C
Explanation
Work done by B in 23 days = (23*1/40) = 23/40 ; remaining work = (1- 23/40)= 17/40 (A+B)'s 1 day work = ( 1/45+ 1/40) = (8+9)/360 = 17/360 17/360 work is done by (A+B) in 1 day. 17/40 work is done by them in (360/17*17/40) = 9 days
Q 5 - A does half as much work as B in three ?fourth of the time. On the off chance that together they take 18 days to finish the work, the amount of time might B takes to do it?
Answer : A
Explanation
Let the whole work be done by B in x days. In 3/4 th of time, work done by A = 1/2 1/2 works is done by A in 3/4 x days. Whole work is done by A in (2* 3x/4) days = 3x/2 days ∴1/x + 2/3x = 1/18 ⇒18+ 12= x ⇒ x= 30
Q 6 - 9 men working 7 hours a day can finish a bit of work in 15 days. In how long can 6 men functioning for 9 hours a day, complete the same bit of work?
Answer : D
Explanation
(9*7) men working 1 hr a day can finish the work in 15 days. 63 men finish it in 15 days. 1 man can finish it in (15*63) days. (6*9) men can finish it in (15*63)/ (6*9) days = 35/2 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 - If 12 man and 16 young men can do a bit of work in 5 days ; 13 man and 24 young men can do it in 4 days , then the proportion of the everyday work done by a men to that of a kid is:
Answer : A
Explanation
Let 1 men 1 day work be x and 1 boy 1 day work be y. Then 12x + 16 y = 1/5 ... (.1) 13x +24 y = 1/4 ... (2) Multiplying (1) by 3 and (2) by 2 and subtracting, we get 10 x= (3/5- 1/2) = 1/10 ⇒x = 1/100 Putting x = 1/100 in (1), we get 16 y = (1/5- 12/100) = 8/100 ⇒y = 1/200 Required ratio = 1/100: 1/200 = 2:1
Q 9 - An alone can complete a work in 10 days which B alone can complete in 15 days. On the off chance that they cooperate and complete it, then out of an aggregate wages of rs. 3000. A will get:
Answer : C
Explanation
A's 1 day work = 1/10 , B's 1 day work = 1/15 Ratio of wages of A and B = 1/10: 1/15 = 3:2 A's share = (3000*3/5) = 1800 rs.
Q 10 - A works twice as quick as B. On the off chance that the two can together complete a bit of work in 12 days, then B alone can do it in
Answer : C
Explanation
Let B 1 day work =x. Then , A 1 days work=2x X+2x=1/12⇒3x=1/12⇒x=1/36. B 1 day work=1/36. Hence B alone can finish the work in 36 days.