Advertisements
Advertisements
प्रश्न
Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion
उत्तर
Yes, 12 : 24 : : 18 : 36
Because product of extremes 12 × 36 = 432
Product of means = 24 × 18 = 432
12 : 24 : : 18 : 36.
APPEARS IN
संबंधित प्रश्न
What least number must be subtracted from each of the numbers 7, 17 and 47 so that the remainders are in continued proportion?
Find two numbers such that the mean proportional between them is 12 and the third proportional to them is 96.
If (a2 + b2)(x2 + y2) = (ax + by)2; prove that: `a/x = b/y`.
Find the value of x in each of the following proportions:
55 : 11 : : x : 6
Show that the following numbers are in continued proportion:
36, 90, 225
In covering 111 km, a car consumes 6 L of petrol. How many kilometers will it go to 10 L of petrol?
If a, b, c and d are in proportion, prove that: (5a + 7b) (2c – 3d) = (5c + 7d) (2a – 3b).
The America’s famous Golden Gate bridge is 6480 ft long with 756 ft tall towers. A model of this bridge exhibited in a fair is 60 ft long with 7 ft tall towers. Is the model, in proportion to the original bridge?
The mean proportional between 4 and 9 is ______.
If `(a + b)^3/(a - b)^3 = 64/27`.
- Find `(a + b)/(a - b)`
- Hence using properties of proportion, find a : b.
