Advertisements
Advertisements
प्रश्न
Write (T) for true and (F) for false in case of the following:
51 : 68 : : 85 : 102
पर्याय
True
False
उत्तर
51 : 68 : : 85 : 102
Product of means = 68 × 85 = 5780
Product of extremes = 51 × 102 = 5202
Product of means ≠ Product of extremes
Hence, (F).
APPEARS IN
संबंधित प्रश्न
Given, `x/(b - c ) = y/(c - a ) = z/(a - b)` , Prove that
ax+ by + cz = 0
Find the mean proportion of the following :
0.09 and 0.25
If x, 12 and 16 are in continued proportion! find x.
If a : b : : c : d, then prove that
2a+7b : 2a-7b = 2c+7d : 2c-7d
If a : b = c : d, show that (a - c) b2 : (b - d) cd = (a2 - b2 - ab) : (c2 - d2 - cd).
Find the fourth proportional to `(1)/(3), (1)/(4), (1)/(5)`
If 57 : x : : 51 : 85, then the value of x is
Choose the correct answer from the given options :
The mean proportional between `(1)/(2)` and 128 is
If q is the mean proportional between p and r, prove that: p3 – 3q2 + r2 = `q^4(1/p^2 - 3/q^2 + 1/r^2)`
Are 30, 40, 45, and 60 in proportion?
