The weight of a 13m long iron rod is 23.4 kg. The weight of 6m long of such rod will be _________.
7.2 kg
12.4 kg
10.8 kg
18 kg
The ratio which (1/3 of Rs. 9.30) bears to (0.6 of Rs. 1.55) is _______.
1:3
10:3
3:10
3:1
If 10% of m is the same as 20% of n,then m:n=
1:2
2:1
5:1
10:1
Pipe A can fill an empty tank in 5 hours while Pipe B can empty the full tank in 6 hours. If both are opened in the empty tank, time taken to fill it up completely is __________.
30 hours
20 hours
10 hours
40 hours
If 5 men take an hour to dig a ditch, how long should it take 12 men to dig a ditch of the same type?
25 mins
30 mins
28 mins
20 mins
If 1/5:1/x = 1/x:1/125, then the value of x is __________.
1.25
1.5
25
2.25
A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the work in 42 days. The two together could have completed the work in __________.
24 days
25 days
30 days
35 days
If 20 men can do the work in 36 days, in how many days will 15 men do it?
46
56
48
42