Advertisements
Advertisements
प्रश्न
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
400 gm is to 50 gm and 25 rupees is to 625 rupees
Advertisements
उत्तर
400 : 50, 25 : 625
Product of the extremes = 400 × 625
= 250000
Product of the means = 50 × 25 = 1250
a × d ≠ b × c
∴ They are not in proportion
APPEARS IN
संबंधित प्रश्न
Find the third proportional to a – b and a2 – b2
If `1/12` , x and `1/75` are in continued proportion , find x.
If u, v, w, and x are in continued proportion, then prove that (2u+3x) : (3u+4x) : : (2u3+3v3) : (3u3+4v3)
`("pqr")^2 (1/"p"^4 + 1/"q"^4 + 1/"r"^4) = ("p"^4 + "q"^4 + "r"^4)/"q"^2`
Find the value of x in the following proportions : 10 : 35 = x : 42
If ax = by = cz; prove that `x^2/"yz" + y^2/"zx" + z^2/"xy" = "bc"/a^2 + "ca"/b^2 + "ab"/c^2`
If a, b, c, d are in continued proportion, prove that: (a2 – b2) (c2 – d2) = (b2 – c2)2
Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?
Find the missing number in the box in the proportion:
`square/18 = 2/9`
If two ratios are equal, then they are in ______.
Write True (T) or False (F) against the following statement:
16 : 24 : : 20 : 30
