Home
Class 7
MATHS
If (1)/(x) : (1)/(y):(1)/(z) = 2 : 3 : 5...

If `(1)/(x) : (1)/(y):(1)/(z)` = `2 : 3 : 5`, then `x : y : z` = ?

A

` 2 : 3: 5`

B

` 15 : 10 : 6`

C

` 5 : 3 : 2`

D

` 6 : 10 : 15`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RATIO AND PROPORTION

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK -15 |40 Videos

  • PROFIT AND LOSS AND DISCOUNT

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET |10 Videos

  • SETS

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet |10 Videos

Similar Questions

Explore conceptually related problems

If (1)/(x) : (1)/(y) : (1)/(z) = 2 : 3 : 5 then determine x : y :z

If (1)/(x):(1)/(y):(1)/(z)=2:3:5backslash then backslash x:y:z is equal to 2:3:5 b.15:10:6c.5:3:2d.6:10:15

If x + y + z = 12, x^(2) + Y^(2) + z^(2) = 96 and (1)/(x)+(1)/(x)+(1)/(z)= 36 . Then find the value x^(3) + y^(3)+z^(3).

If x+y+z=12 and x^(2)+y^(2)+z^(2)=96 and (1)/(x)+(1)/(y)+(1)/(z)=36 then the value x^(3)+y^(3)+z^(3) divisible by prime number is

If |(x^(n),x^(n+2),x^(n+3)),(y^(n),y^(n+2),y^(n+3)),(z^(n),z^(n+2),z^(n+3))| = (x -y) (y -z) (z -x) ((1)/(x) + (1)/(y) + (1)/(z)) , then n equals

x+y+z=15 if 9, x, y, z, a are in A.P. while (1)/(X)+(1)/(Y)+(1)/(Z)=(5)/(3)if9,X, Y, Z, a are in H.P., then the value of a will be -

Find the S.D. between the lines : (i) (x)/(2) = (y)/(-3) = (z)/(1) and (x -2)/(3) = (y - 1)/(-5) = (z + 4)/(2) (ii) (x -1)/(2) = (y - 2)/(3) = (z - 3)/(2) and (x + 1)/(3) = (y - 1)/(2) = (z - 1)/(5) (iii) (x + 1)/(7) = (y + 1)/(-6) = (z + 1)/(1) and (x -3)/(1) = (y -5)/(-2) = (z - 7)/(1) (iv) (x - 3)/(3) = (y - 8)/(-1) = (z-3)/(1) and (x + 3)/(-3) = (y +7)/(2) = (z -6)/(4) .

Show that the lines : (i) (x -5)/(7) = (y + 2)/(-5) = (z)/(1) " " and (x)/(1) = (y)/(2) = (z)/(3) (ii) (x - 3)/(2) = (y + 1)/(-3) = (z - 2)/(4) and (x + 2)/(2) = (y - 4)/(4) = (z + 5)/(2) are perpendicular to each other .

(2-3x)/(x)+(2-3y)/(y)+(2-3z)/(z)=0 then (1)/(x)+(1)/(y)+(1)/(z)=