Home
Class 14
MATHS
What is the proportion equivalent to X/Y...

What is the proportion equivalent to `X/Y : Y/Z : X/Z," if "X : Y : Z = 4 : 7 : 9 `?

A

`36 : 49 : 32`

B

`36 : 49 : 28`

C

`36 : 51 : 28`

D

`16 : 21 : 14`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

What is the value of ((x - y)^3 + (y - z)^3 + (z - x)^3)/(9(x - y)(y - z)(z - x)) ?

Let x, y, z be non-zero real numbers such that x/y + y/z + z/x = 7 and y/x + z/y + x/z = 9 , then (x^3)/y^3 + y^3/z^3 + z^3/x^3 - 3 is equal to

If X: Y= 7:5 and Y: Z= 7:11 , then what is the ratio of X: Y : Z ?

Value of [[x+y, z,z ],[x, y+z, x],[y, y, z+x]], where x ,y ,z are nonzero real number, is equal to x y z b. 2x y z c. 3x y z d. 4x y z

Verity the property: x "x" (y" x" z)=(x "x "y)"x" z b y t a k ing: x=7/3, y=(12)/5, z=4/9 x=0, y=(-3)/5, z=(-9)/4

What should be added to x y+y z+z x to get x y-y z-z x ? -2x y-2y z-2z x (b) -3x y-y z-z x -3x y-3y z-3z x (d) 2x y+2y z+2z x

Find the values of x, y and z from the following equations: (i) [4 3x5]=[y z1 5] (ii) [x+y3 5+z x y]=[6 2 5 8] (iii) [x+y+z x+z y+z]=[9 5 7]

A person travels three equal distances at a speed of x km/hr, y km/hr and z knyhr respectively. What is the average speed for the whole journey? (x y z)/(3(x y+y z+z x)) b. (x y z)/((x y+y z+z x)) c. ((x y+y z+z x))/(x y z) d. (3x y z)/((x y+y z+z x))