Find the 4th proportional to 9, 17 and 27.
If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?
The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.
A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?
The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?
Find the missing value denoted by '?'
3 : 243 :: 5 : ?
In a college, 25% of male faculties are same in number as 1/3rd of the female faculties. What is the ratio of male faculty to female faculty in that college?
If the angles of a triangle are in the ratio of 1 : 4 : 7, then find the ratio of the greatest angle to the smallest angle.
Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.
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