21.
If 6 men working 8 hours a day earn Rs.
840 per week, then 9 men working 6 hours a day will earn how much per week?.
[I. Tax 1988]
A.Rs.
840 B.Rs. 1620
C.Rs.
945 D.Rs. 1680
22.
If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?
i.
48 paise
ii.
54 paise
iii.
56 paise
iv.
72 paise
23.
The price of 438 oranges is Rs. 1384.08. What will be the approximate price of
8 dozens of oranges ?. [Bank PO 1994]
A.Rs.
300 B.Rs. 500
C.Rs.
400 D.Rs. 250
24.
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
[C]
22
[B]
21
[D]
25
25.
|
A
fort had provision of food for 150 men for 45 days. After 10 days, 25 men
left the fort. The number of days for which the remaining food will last, is:
|
|
|
26.
A contract is to be completsd in 46 days
sad 117 men were said to work 8 hours a day. After 33 days, (4/7) of the work
is completed. How many additional men may be employed so that the work may be
completed in time, each man now working 9 hours a day?
27.
8.If the price of 6 toys is Rs. 264.37, what will be the approximate price of 5
toys?
[A]
Rs. 140
[C]
Rs. 200
[E]
Rs. 240
[B]
Rs. 100
[D]
Rs. 220
28.
A garrison of 3300 men had provisions for 32 days, when given at the rate of
860 gns per head. At the end of 7 days, a reinforcement arrives and it was for
that the provisions wi1l last 17 days more, when given at the rate of 826 gms
per head, What is the strength of the reinforcement?
29.
If 11.25 m of a uniform iron rod weighs 42.75 kg. what will be the weight of 6
m of the same rod?
[A]
22.8 kg
[C]
28 kg
[B]
25.6 kg
[D]
26.5 kg
30.
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