If 20 men can do the work in 36 days, in how many days will 15 men do it?
46
56
48
42
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
The ratio of number of boys and girls in a school of 720 students 7:5. How many girls should be admitted to make ratio 1:1?
90
120
220
100
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1:2:3. If their total value Rs. 30, the number of 5 paise coins is __________.
50
150
200
If 1/5:1/x = 1/x:1/125, then the value of x is __________.
1.25
1.5
25
2.25
If x:y = 2:3 and 2:x = 1:2, then value of y is ___________.
1/3
3/2
6
1/2
For a group of 32 students food lasts for 45 days. For how many days will the same food last for 72 students?
13 days
40 days
20 days
6 days
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
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
If 10% of m is the same as 20% of n,then m:n=
1:2
2:1
5:1
10:1
