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  • SBI PO Exam Quantitative Aptitude Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Quantitative Aptitude Time And Work for SBI PO Exam student. This free online Quantitative Aptitude study material for SBI PO Exam will help students in learning and doing practice on Time And Work topic of SBI PO Exam Quantitative Aptitude. The study material on Time And Work, help SBI PO Exam Quantitative Aptitude students to learn every aspect of Time And Work and prepare themselves for exams by doing online test exercise for Time And Work, as their study progresses in class. Kidsfront provide unique pattern of learning Quantitative Aptitude with free online comprehensive study material and loads of SBI PO Exam Quantitative Aptitude Time And Work exercise prepared by the highly professionals team. Students can understand Time And Work concept easily and consolidate their learning by doing practice test on Time And Work regularly till they excel in Quantitative Aptitude Time And Work.


Time And Work
20 men can do a piece of work in 18 days, They worked together for 3 days, then 5 men joined them. In how many more days is the work completed?

a) 15
b) 12
c) 14
d) 13



Answer
Solution
Correct Answer Is : 12
Solution Is : Work done by 20 men in 3 days = 3/18 =1/6 part remaining work 1 - 1/6 = 5/6 part M? D?/ W? = M? D? / W? = 20 x18 / 1 = 25 x D? / 5/6 = 6 x 25 x D? = 5 x 20 x 18 = D? = 5 x 20 x 18 / 6 x 25 = 12 days
12 monkeys can eat 12 bananas in 12 minutes. In how many minutes can 4 monkeys eat 4 bananas?

a) 10
b) 12
c) 4
d) 8



Answer
Solution
Correct Answer Is : 12
Solution Is :
A can do 7/8 of work in 28 days, B can do 5/6 of the same work in 20 days. The number of days they will take to complete if they do it together is

a) 15 3/7 days
b) 17 3/5 days
c) 14 5/7 days
d) 13 5/7 days



Answer
Solution
Correct Answer Is : 13 5/7 days
Solution Is : A does 7/8 work in 28 days. A will complete the work in 28 * 8/7 = 32 days. B does 5/6 work in 20 days. B will complete the work in 20 * 6/5 = 24 days. (A + B) `s 1 day`s work =1/32 + 1/24 = 3+4/96 = 7/96 Required time, = 96/7 = 13 5/7 days
Seventy- five men are employed to lay down a railway line in 3 months. Due to certain emergency conditions, the work was to be finished in 18 days. How many more men should be employed to complete the work in the desired time ?

a) 300
b) 325
c) 350
d) 375



Answer
Solution
Correct Answer Is : 300
Solution Is : M?D? = M?D? => 75 * 90 = M? * 18 => M2= 75*90/18 = 375 Number of additional men 375 - 75 = 300
A and B can do a piece of work in 12 days, B and C in 15 days, C and A in 20 days. A alone can do the work in

a) 15 2/3 days
b) 30 days
c) 24 days
d) 40 days



Answer
Solution
Correct Answer Is : 30 days
Solution Is :
If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then the number of chair made by 18 carpenters in 36 days each working 8 hours a day is

a) 92
b) 132
c) 138
d) 126



Answer
Solution
Correct Answer Is : 138
Solution Is :
A can do a place of work in 25 days and B can do the same work in 30 days. They work together for 5 days, how much of work is left?

a) Nov-30
b) 15/30
c) 19/30
d) Dec-30



Answer
Solution
Correct Answer Is : 19/30
Solution Is : (A+B)s 1 days work =(1/25)+(1/30)=(6+5/150)=11/150 (A+B)s 5 days work =(5*11/150) =11/30 Remaining work =1-(11/30) =(30-11/30) =(19/30)
If 6 men can do a piece of work in 20 days and one man can do the work of two boys, then in how many days can 10 men and 5 boys do the same work ?

a) 8days
b) 10days
c) 12 days
d) None of these



Answer
Solution
Correct Answer Is : None of these
Solution Is : 10men + 5boys = 25 boys 6men = 12 boys M1D1=M2D2 =>12 * 20 = 25 * D2 => D2 = 12 * 20/ 25 = 48 /5 = 9 3/5days
If a piece of work could be completed in 24 days by 98 men, how many men would it take to complete it in 21 days ?

a) 122
b) 112
c) 132
d) 102



Answer
Solution
Correct Answer Is : 112
Solution Is : M1 D1 = M2D2 =>98 * 24 =21 * M2 => M2 = 98 * 24/21 = 112
If 16 sheep or 12 horses eat the grass of a field in 20 days then in how many days will 5 sheep and 4 horses eat it ?

a) 30 30/31
b) 3 30/31
c) 31
d) 29



Answer
Solution
Correct Answer Is : 30 30/31
Solution Is : 16 sheep = 12 horses 5 sheep = 12/16 X 5 = 15/4 horses 5 sheep + 4 horses 15/4 + 4 = 31/4 horses By M?D? = M?D2 12 X 20 = 31/4 X D2 => D2 = 12 X 20 X 4/31 =960/31 = 30 30/31days.
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