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
If 2 kg of atta cost Rs. 48. What will be the cost of 7 kg atta?
186
148
168
184
Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The numbers are ________.
3, 5
7, 9
13, 22
15, 25
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 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 cost of 8 note book is Rs. 72. What will be the cost of 1 note book?
6
8
9
7
A can do a work in 9 days. If B is 50% more efficient than A, then in how many days can B do the same work?
13.5
4.5
5
If A:B = 2:3 and B:C = 4:5, then C:A is equal to, ________.
15.8
12:10
8:5
8:15
