The inverse ratio of 11 : 15 is
15 : 11
√11 : √15
121 : 225
1/11 : 1/15
In 7 : 9 , the consequent is
7
9
7/9
7 × 9
The fourth proportional to numbers 8 , 12 and 18 is
22
24
27
30
What number should be added to 6 , 14 , 18 , 38 to make it equally proportionate?
1
2
3
4
What percent of 2/7 is 1/35?
25%
2.5%
1000%
10%
If 10% m is the same as 20% of n, then m : n is equal to:
1 : 2
2 : 1
5 : 1
10 : 1
In an examination 93% of students passed and 259 failed. The total number of students is
500
3700
3950
4000
The ratio of the quantities is 5 : 7. If the consequent of its inverse ratio is 5 , then antecedent is
5
√5
√7
Which number is 60% less than 80?
48
42
32
12
If A : B = 2 : 3 and B : C = 4 : 5 , then C : A is equal to
12 : 10
15 : 8
8 : 5
8 : 15
