If 1/5:1/x = 1/x:1/125, then the value of x is __________.
1.25
1.5
25
2.25
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
100
150
200
The cost of 8 note book is Rs. 72. What will be the cost of 1 note book?
6
8
9
7
If 10% of m is the same as 20% of n,then m:n=
1:2
2:1
5:1
10:1
If x:y = 2:3 and 2:x = 1:2, then value of y is ___________.
1/3
3/2
1/2
If 20 men can do the work in 36 days, in how many days will 15 men do it?
46
56
48
42
A can travels 45 km in 3 litres of petrol. How far it would travel in 8 litres of petrol?
120
80
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
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
220