281. What is the probability of rolling a sum of 7 with two standard six-sided dice?
✅ A. 1/6
A: 1/6 B: 1/12 C: 1/36 D: 1/4 Read more
Author: Sheeraz Ahmed – Page 15
282. What is the integral of 2x with respect to x?
✅ D. x^2
A: 2 B: 2x^2 C: x D: x^2 Read more
283. If a matrix has 3 rows and 3 columns, what is its order?
✅ C. 3 by 3
A: 9 by 1 B: 1 by 9 C: 3 by 3 D: 6 by 6 Read more
284. What is the value of log10?
✅ B. 3
A: 1 B: 3 C: 2 D: 4 Read more
285. Which phenomenon demonstrates the particle nature of light?
✅ C. Photoelectric effect
A: Young's double-slit interference B: Diffraction grating C: Photoelectric effect D: Polarization Read more
286. What is the slope of a line represented by the equation y = 3x + 5?
✅ A. 3
A: 3 B: 5 C: -3 D: -5 Read more
287. What is the acceleration due to gravity on the surface of Earth approximately?
✅ B. 9.8 m/s^2
A: 8.9 m/s^2 B: 9.8 m/s^2 C: 10.5 m/s^2 D: 11.2 m/s^2 Read more
288. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ A. Convex mirror
A: Convex mirror B: Plane mirror C: Concave mirror D: Parabolic mirror Read more
289. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ D. Boyle's law
A: Charles's law B: Gay-Lussac's law C: Avogadro's law D: Boyle's law Read more
290. What mountain range acts as a natural border between Europe and Asia?
✅ C. Ural Mountains
A: Alps B: Pyrenees C: Ural Mountains D: Carpathian Mountains Read more