Quantitative Aptitude - Chain Rule
Exam Duration: 60 Mins Total Questions : 30
If the cost of x metres of wire is d rupees,then what is the cost of y metres of wire at the same rate?
- (a)
Rs.\(({xy\over d})\)
- (b)
Rs.(xd)
- (c)
Rs.(yd)
- (d)
\(Rs.({yd\over x})\)
The price of 357 mangoes is Rs.1517.25.What will be the approximate price of 9 dozens of such mangoes ?
- (a)
Rs.3000
- (b)
Rs.3500
- (c)
Rs.4000
- (d)
Rs.2500
If a quater kg of potato costs 60 paise,how many paise will 200 gm cost?
- (a)
48 paise
- (b)
54 paise
- (c)
56 paise
- (d)
72 paise
On a scale of map,0.6 cm represents 6.6 cm .If the distance between the points on the map is 80.5 cm ,the actual distance between these points is :
- (a)
9 km
- (b)
72.5 km
- (c)
190.75 km
- (d)
885.5 km
An industrial loom weaves 0.128 metres of cloth every second.Approximately,how many seconds will it take for the loom to weave 25 metres of cloth?
- (a)
178
- (b)
195
- (c)
204
- (d)
488
A wheel that has 6 cogs is meshed with a larger wheel of 14 days.When the smaller wheel has made 21 revolutions ,then the number of revolutions made by the larger wheel is :
- (a)
4
- (b)
9
- (c)
12
- (d)
49
In a camp,there is a meal for 120 men or 200 children.If 150 children have taken the meal,how many men will be catered to with thew remaining meal?
- (a)
20
- (b)
30
- (c)
40
- (d)
50
Running at the same constant rate,6 identical machines can produce a total of 270 bottles per minute .At this rate,how many bottles could 10 such macines produce in 4 minutes?
- (a)
648
- (b)
1800
- (c)
2700
- (d)
10800
In a dairy farm,40 cows eat 40 bags of husk in 40 days.In how many days one cow will eat one bag of husk?
- (a)
1
- (b)
\(1\over40\)
- (c)
40
- (d)
80
10 men, working 6 hours a day can complete a work in 18 days.How many hours a day must 15 men work to complete the same work?
- (a)
6
- (b)
10
- (c)
12
- (d)
15
39 persons can repair a road in 12 days, working 5 hours a day.In how many days will 30 persons,working 6 hours a day,complete the work ?
- (a)
10
- (b)
13
- (c)
14
- (d)
15
If 8 men can reap 80 hectares in 24 days,then how many hectares can 36 men reap in 30 days ?
- (a)
350
- (b)
400
- (c)
425
- (d)
450
A certain number of persons can dig a trench 100 m long,50 m broad and 10 m deep in 10 days .The same number of persons can dig another trench 20 m broad and 15 m deep in 30 days.The length of the second trench is :
- (a)
400 m
- (b)
500 m
- (c)
800 m
- (d)
900 m
49 pumps can empty a reservoir in \(6 {1\over 2}\) days ,working 8 hours a days.If 196 pumps are used for 5 hours a day,then same work will be completed in:
- (a)
2 days
- (b)
\(2{1\over 2}\) days
- (c)
\(2{3\over5}\) days
- (d)
3 days
30 labourers, working 7 hours a day can finish a piece of work in 18 days.If the labourers work 6 hours a day ,then the number of labourers to finish the same piece of work in 30 days ,will be:
- (a)
15
- (b)
21
- (c)
22
- (d)
25
If 7 spider make 7 webs in 7 days ,then 1 spider will make 1 web in how many days?
- (a)
1
- (b)
\(7\over 2\)
- (c)
7
- (d)
49
If 80 lamps can be lighted 5 hours per day for 30 days for Rs.21.25,then the number of lamps,which can be lighted 4 hours daily for 30 days ,for Rs.76.50, is :
- (a)
100
- (b)
120
- (c)
150
- (d)
160
If 12 carpenters,working 6 hours a day,can make 460 chairs in 24 days ,how many chairs will 18 carpenters make in 36 days ,each working 8 hours a day ?
- (a)
1260
- (b)
1320
- (c)
920
- (d)
1380
400 persons ,working 9 hours per day complete \(1\over4 \)th of the work in 10 days .The munber of additional persons,working 8 hours per day,required to complete the remaining work in 20 days,is:
- (a)
675
- (b)
275
- (c)
225
- (d)
250
If 17labourers can dig a ditch 20 m long in 18 days ,working 8 hours a day ; how many more labourers should be engaged to dig a similar ditch 39 m long in 6 days,each labourer working 9 hours a day?
- (a)
34
- (b)
51
- (c)
68
- (d)
85
20 men complete one-third of a piece of work in 20 days .How many more men should be employed to finish the rest of the work in 25 more days?
- (a)
10
- (b)
12
- (c)
15
- (d)
20
If 18 binders bind 900 books in 10 days ,how many binders will be required to bind 660 books in 12 days?
- (a)
22
- (b)
14
- (c)
13
- (d)
11
If \(3\over5\) of a cistern is filled in 1 minute ,how many more time will be required to fill the rest of it?
- (a)
30 sec
- (b)
40 sec
- (c)
36 sec
- (d)
24 sec
If x men , working x hours per day,can do x units of work in x days,then y men ,wprking y hours per day would be able to complete how many units of work in y days?
- (a)
\(x^{2}\over y^{3}\)
- (b)
\(x^{3}\over y^{2}\)
- (c)
\(y^{2}\over x^{3}\)
- (d)
\( y^{3}\over x^{2}\)
If a certain number of workmen can do a piece of work in 25 hours,in how many hours will another set of an equal number of men,do a piece of work,twice as great,supposing that 2 men of the first set can do as mush work in an hour ,as 3 men of the second set do in an hour?
- (a)
60
- (b)
75
- (c)
90
- (d)
105
A certain number of men can finish a piece of work in 100 days.If, there were 10 men less it would take 10 days more for the work to be finished.How many men were there originally?
- (a)
75
- (b)
82
- (c)
100
- (d)
110
A garrison had provisions for a certain number of days .After 10 days, \(1\over5\) of the men desert and it is found that the provisions will now last just as long as before .How long was that?
- (a)
15 days
- (b)
15 days
- (c)
35 days
- (d)
50 days
15 men take 21 days of 8 hours each to do a piece of work .How many days of 6 hours each would 21 women take,if 3 women do as much work as 2 men?
- (a)
18
- (b)
20
- (c)
25
- (d)
30
A contractor undertook to do a certain piece of work in 9 days .He employed certain number of men,but 6 of them being absent from the very first day,the rest could finish the work in 15 days .The number of men originally employed were:
- (a)
12
- (b)
15
- (c)
18
- (d)
24
12 men and 18 boys, working \(7{1\over2}\) hours a day,can do a piece of work in 60 days .If a man works equal to 2 boys,then how many boys will be required to help 21 men to do twice the work in 50 days,working 9 hours a day?
- (a)
30
- (b)
42
- (c)
48
- (d)
90