Advertisements
Advertisements
प्रश्न
If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg
विकल्प
True
False
Advertisements
उत्तर
True
Explanation;
Hint: Weight of 1 book = `8/40 = 1/5` kg
Weight of 15 books = `1/5 xx 15` = 3 kg
APPEARS IN
संबंधित प्रश्न
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 fourth proportional to:
x3 - y2, x4 + x2y2 + y4, x - y.
Write (T) for true and (F) for false in case of the following:
45 km : 60 km : : 12 h : 15 h
Determine if the following ratio form a proportion:
2 kg : 80 kg and 25 g : 625 kg
If a, b, c and d are in proportion, prove that: `(a^2 + b^2)/(c^2 + d^2) = "ab + ad - bc"/"bc + cd - ad"`
7 Persons is to 49 Persons as 11 kg is to 88 kg
Determine if the following are in proportion.
15, 45, 40, 120
If x + y + z = 0, the value of `x/(y + z)` is ______.
Which of the following statements correctly defines a proportion involving four non-zero quantities a, b, c, and d?
In the proportional statement p : q :: r : s, which pair of terms represents the means, and which pair represents the extremes?
