A ratio x:y is said to be in simplest form, if HCF of x and y is
0
-1
2
1
The boys and girls in a school are in the ratio 9:5. If the number of girls are 225 then the no.of boys are.
415
400
405
425
The cost of 8 copies of a book is Rs. 488. Then the cost of 15 copies of the same book at the same rate is
Rs. 800
Rs. 850
Rs. 900
Rs. 915
If the weight of a 13 meters long iron rod be 23.4 kg the weight of 6 meters long such rod will be:
7.2 kg
12.4 kg
10.8 kg
18 kg
In a proportion, the first, second and fourth terms are 72, 36, 18. Find the third term.
9
36
25
47
In a ratio which is equal to 7:8, if the antecedent is 35, what is the consequent?
30
32
56
40
The ratio between two numbers is 3:4. If their L.C.M is 180, the numbers are:
13
14
15
16
The ratio between two numbers is 3:4. If each number be increased by 6, the ratio becomes 4:5. The difference between the numbers is
3
6
8
The mean proportional of 0.32 and 0.02 is.
0.34
0.30
0.16
0.08
The ratio between two numbers is 2:3. If each number is increased by 4 the ratio between them becomes 5:7 what are the numbers?
12, 13
15, 22
16, 24
17, 24
