Advertisements
Advertisements
प्रश्न
If 7 : 5 is in proportion to x : 25, then ‘x’ is
पर्याय
27
49
35
14
Advertisements
उत्तर
35
Explanation;
Hint:
5x = 7 × 25
⇒ x = 35
APPEARS IN
संबंधित प्रश्न
If x2, 4 and 9 are in continued proportion, find x.
If p + r = mq and `1/q + 1/s = m/r`; then prove that p : q = r : s.
If a/b = c/d prove that each of the given ratio is equal to `sqrt((3a^2 - 10c^2)/(3b^2 - 10d^2))`
If a, b and c are in continued proportion, prove that `(a^2 + ab + b^2)/(b^2 + bc + c^2) = a/c`
Using properties of proportion, solve for x:
`(sqrt(x + 5) + sqrt(x - 16))/(sqrt(x + 5) - sqrt(x - 16)) = 7/3`
Find the value of the unknown in the following proportion :
5 : 12 :: 15 : x
If `a/b = c/d = r/f`, prove that `((a^2b^2 + c^2d^2 + e^2f^2)/(ab^3 + cd^3 + ef^3))^(3/2) = sqrt((ace)/(bdf)`
Choose the correct statement:
If a, b, c are in continued proportion, prove that: a2 b2 c2 (a-4 + b-4 + c-4) = b-2(a4 + b4 + c4)
Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?
