Advertisements
Advertisements
प्रश्न
Find the value of the unknown in the following proportion :
`1/2 : "m" :: 14/9 : 4/3`
उत्तर
`1/2 : "m" :: 14/9 : 4/3`
`1/2 : "m" :: 14/9 : 4/3`
⇒ `"m" xx 14/9 = 1/2 xx 4/3`
⇒ `"m" = 1/2 xx 4/3 xx 9/14 = 3/7`
m = `3/7`
APPEARS IN
संबंधित प्रश्न
If x, y, z are in continued proportion, prove that `(x + y)^2/(y + z)^2 = x/z`
If x + 5 is the mean proportional between x + 2 and x + 9; find the value of x.
If x2, 4 and 9 are in continued proportion, find x.
If a, b, c and d are in proportion prove that `sqrt((4a^2 + 9b^2)/(4c^2 + 9d^2)) = ((xa^3 - 4yb^3)/(xc^3 - 5yd^3))^(1/3)`
If `x = (sqrt(a + 3b) + sqrt(a - 3b))/(sqrt(a + 3b) - sqrt(a - 3b))`, prove that: 3bx2 – 2ax + 3b = 0.
If a, b and c are in continued proportion, prove that: a: c = (a2 + b2) : (b2 + c2)
If 2x – 1, 5x – 6, 6x + 2 and 15x – 9 are in proportion, find the value of x.
What number must be added to each of the numbers 16, 26 and 40 so that the resulting numbers may be in continued proportion?
Verify the following:
39 : 65 : : 141 : 235
If 48 boxes contain 6000 pens, how many such boxes will be needed for 1875 pens?