The fourth proportional to numbers 8 , 12 and 18 is
22
24
27
30
The third proportion to numbers 0.8 and 0.2 is
0.8
0.05
0.032
0.048
If the side of square is increased by 25%, then how much percent does its area get increased?
56 . 25
50
125
156 . 25
If 70% of the students in a school are boys and the number of girls be 504 , the number of boys is
1176
1008
1208
3024
If A : B = 2 : 3 and B : C = 4 : 5 , then C : A is equal to
12 : 10
15 : 8
8 : 5
8 : 15
What percent of 2/7 is 1/35?
25%
2.5%
1000%
10%
In a ratio which is equal to 7 : 8 , if the antecedent is 35 , what is the consequent?
35
38
40
42
In an examination 93% of students passed and 259 failed. The total number of students is
500
3700
3950
4000
The mean proportional between the numbers 8 and 18 is
13
32/9
12
9/32
What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3?
5
6
7
8
