Question
Concentration of SO₂ in concentrated juice
is:Solution
Concentrated juices (e.g., lime, lemon) tolerate 1500 ppm SO₂ due to high acidity, which reduces free SO₂ toxicity while inhibiting microbial spoilage during storage.
If x2 – 5x + 1 = 0, then find the value of {x2 + (1/x2)}.
A dishonest dealer claims to sell goods at cost price but uses a false weight of 900g instead of 1kg. What is his profit percentage?
If y + 1/y = 2 then find y117 + 1/(y117)
25, 25.8, 27.4, 29, 33, 37
If a3 + b3 = 6240 and a + b = 30, then find the value of {(a + b)2 – 3ab}
If (x – 3) is a factor of (x2 + 4qx – 2q), then the value of q is:
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
x + y = 4, xy = 2, y + z = 5, yz = 3, z + x = 6 and xz =4, then find the value of x 3 + y 3 + z 3 – 3xyz.
...If 2x + y = 10 and 3x - 2y = 5, find the value of x + y.