Advertisements
Advertisements
प्रश्न
3 : 5 : : `square` : 20
Advertisements
उत्तर
3 : 5 : : 12 : 20
APPEARS IN
संबंधित प्रश्न
Find the mean proportional to (x – y) and (x3 – x2y).
If x, y, z are in continued proportion prove that `(x + y)^2/(y + z)^2 = x/z`
If p, q and r in continued proportion, then prove the following:
(p2 - q2)(q2 + r2) = (q2 - r2)(p2 + q2)
Write (T) for true and (F) for false in case of the following:
45 km : 60 km : : 12 h : 15 h
A labourer earns Rs 1980 in 12 days.
(i) How much does he earn in 7 days?
(ii) In how many days will he earn Rs 2640?
The ratio 92 : 115 in its simplest for is
If 25 : 35 : : 45 : x, then the value of x is
If b is the mean proportional between a and c, prove that a, c, a² + b², and b² + c² are proportional.
If a, b, c are in continued proportion, prove that: a : c = (a2 + b2) : (b2 + c2)
If `(a + b)^3/(a - b)^3 = 64/27`
- Find `(a + b)/(a - b)`
- Hence using properties of proportion, find a : b.
