11.
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?
i.
10
ii.
13
iii.
14
iv.
15
12.
Theprice of 357 mangoes is Rs. 1517.25. What will be the approximate price of
49 dozens of such mangoes?. [Bank PO 1993]
Rs.
3000 Rs. 4000
Rs.
3500 Rs. 2500
13.
A wheel rotates 10 times every minute and moves 20 cm during each rotation. How
many ems does the wheel move in 1 hour?. [Asst Grade 1994]
A.2000 B.1200
C.600 D.12000
14.
If 18 persons can build a wall 140 m long in 42 days, the number of days that
30 persons will take to complete a similar wall 100 m long, is. [CE I Tax 1993]
A.18 B.24
C.21 D.28
15.
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
[C]
204
[B]
195
[D]
488
16.
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 machines
produce in 4 minutes?
A. 648 B. 1800
C. 2700 D. 10800
17.
A man completes 5/8 of a job in 10 days. At this rate, how many more days will
it takes him to finish the job?
i.
5
ii.
6
iii.
7
iv.
8
18.
If 9 engines consume 24metric tonnes of coal, when each is working
8
hours a day, how much coal will be required for 8 engines, each
running
13 hours a day, it being given that 3 engines of former type
consume
as much as 4 engines of latter type?
19.
400 persons, working 9 hours per day complete
¼ th of the work in 10 days. The number
of
additional persons. Working 8 hours per day, required to complete the remaining
work in 20 days, is
[A]
675
[C]
250
[B]
275
[D] 225
20.
If 18 persons can build a wall 140 m long in 42 days, the number of days that
30 persons will take to complete a similar wall 100 m long, is. [CE I Tax 1993]
A.18 B.24
C.21 D.28
