Advertisements
Advertisements
प्रश्न
Choose the correct answer from the given options :
The third proportional to `6(1)/(4)` and 5 is
विकल्प
4
`8(1)/(2)`
3
none of these
Advertisements
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
If (a2 + b2)(x2 + y2) = (ax + by)2; prove that: `a/x = b/y`.
Find the fourth proportional to:
x3 - y2, x4 + x2y2 + y4, x - y.
If b is the mean proportional between a and c, prove that `(a^2 - b^2 + c^2)/(a^-2 -b^-2 + c^-2)` = b4.
Find the value of x in the following proportions : 10 : 35 = x : 42
If a, b, c and d are in proportion, prove that: `(a^2 + ab)/(c^2 + cd) = (b^2 - 2ab)/(d^2 - 2cd)`
Find two numbers whose mean proportional is 16 and the third proportional is 128.
Find the missing number in the box in the proportion:
`square/18 = 2/9`
If two ratios are equal, then they are in ______.
Sleeping time of a python in a 24 hour clock is represented by the shaded portion in the following figure.

The ratio of sleeping time to awaking time is ______.
Determine if the following are in proportion.
33, 44, 75, 100
