Advertisements
Advertisements
प्रश्न
Choose the correct answer from the given options :
The third proportional to `6(1)/(4)` and 5 is
पर्याय
4
`8(1)/(2)`
3
none of these
उत्तर
The third proportional to `6(1)/(4)` and 5 is
⇒ `6(1)/(4)` : 5 :: 5 : x
⇒ `(25)/(4)`: 5 :: 5 : x
⇒ x = `(5 xx 5)/(25) xx 4`
⇒ 4
APPEARS IN
संबंधित प्रश्न
Using properties of proportion, solve for x:
`(3x + sqrt(9x^2 - 5))/(3x - sqrt(9x^2 - 5)) = 5`
Check whether the following numbers are in continued proportion.
2, 4, 8
Find the mean proportion of: (a – b) and (a³ – a²b), a> b
Determine if the following numbers are in proportion:
22, 33, 42, 63
Find the value of x if 5 : 3 : : x : 6.
If a, b, c and d are in proportion, prove that: `(a^2 + ab + b^2)/(a^2 - ab + b^2) = (c^2 + cd + d^2)/(c^2 - cd + d^2)`
If a, b, c, d are in continued proportion, prove that: a : d = triplicate ratio of (a – b) : (b – c)
Choose the correct answer from the given options :
The mean proportional between `(1)/(2)` and 128 is
5 : `square` : : 10 : 8 : : 15 : `square`
Are the following statements true?
32 m : 64 m = 6 sec : 12 sec