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
Find two numbers such that the mean proportional between them is 12 and the third proportional to them is 96.
Find the third proportional to `x/y + y/x` and `sqrt(x^2 + y^2)`
If x and y be unequal and x : y is the duplicate ratio of x + z and y + z, prove that z is mean proportional between x and y.
Find the mean proportion of the following :
24 and 6
Verify the following:
39 : 65 : : 141 : 235
24 workers can build a wall in 15 days. How many days will 9 workers take to build a similar wall?
If 40 men can finish a piece of work in 26 days, how many men will be required to finish it in 20 days?
If `a/c = c/d = c/f` prove that : `bd f[(a + b)/b + (c + d)/d + (c + f)/f]^3` = 27(a + b)(c + d)(e + f)
Are the ratios 25g: 30g and 40 kg: 48 kg in proportion?
Determine if the following are in proportion.
32, 48, 70, 210
