Q.1
If 1.2 3.9 :: 2:?, Then? What would be the value?

Q.2
If $5:8=15:X,$ then what is the value of X?

Q.3
If $\sqrt{2}:\left(1+\sqrt{3}\right)::\sqrt{6}:x$ then what is the value of X?

Q.4
What is the mean proportional 0:02 and 0:32?

Q.5
What is the mean proportional of 8 and 18?

Q.6
If $\frac{a}{2}=\frac{b}{3}=\frac{c}{4}$ then what is the value of $\frac{a+b+c}{c}$ ?

Q.7
If $a;b=7:4$ then $\left(5a-6b\right):\left(3a+11b\right)$ Find the ratio?

Q.8
If $x:y=3:5,$ then $10x+3y+2y=?$

Q.9
If$x:y=3:2,$ If the ratio$2{x}^{2}+3{y}^{2}:3{x}^{2}-2{y}^{2}$ is equal?

Q.10
If $\frac{a}{b}=\frac{2}{3}$ and $\frac{b}{c}=\frac{4}{5}$ then $\frac{a+b}{b+c}$ Who will be equal?

Q.11
6,7,15,17 numbers in each of the add-on which number the resulting numbers will be proportional?

Q.12
If $\frac{b}{a}=0.25$ then what is the value of $\frac{2a-b}{2a+b}+\frac{2}{9}$ ?

Q.13
7:13 each position have to be added to the NEI numbers 2: 3 ratio be of?

Q.14
Two numbers in the ratio 5: 9. 16:27 9 is added to each number is either one of their number would be what?

Q.15
Their sum is 45% of the difference of two numbers. What is the ratio of a small number of large numbers?

Q.16
A group of 36 students, including boys and girls 3: 1 ratio are. How the girls in the group, which included all of the boys and girls 9: 5 to be done?

Q.17
A number of 5% and 4% of the total number, the first number of the sum of 6% and 8% of the number$\frac{2}{3}$ The first number is the ratio of the second?

Q.18
What would be the minimum integer that if 6: 7 ratio, the result should be subtracted from both the 16:21 ratio came over?

Q.19
The sum of the two numbers are 4 to 40 and their difference. What is the ratio of the numbers?

Q.20
Three classes of students ratio of 2: 3: 5. When this ratio increased to 40 students in each class 4: 5: 7 is, in the beginning, what was the total number of students?

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