821. What is the probability of rolling a sum of 7 with two standard six-sided dice?
✅ C. 1/6
A: 1/12 B: 1/36 C: 1/6 D: 1/4 Read more
Author: Sheeraz Ahmed – Page 42
822. What is the integral of 2x with respect to x?
✅ B. x^2
A: 2 B: x^2 C: 2x^2 D: x Read more
823. If a matrix has 3 rows and 3 columns, what is its order?
✅ A. 3 by 3
A: 3 by 3 B: 9 by 1 C: 1 by 9 D: 6 by 6 Read more
824. What is the value of log10?
✅ D. 3
A: 1 B: 2 C: 4 D: 3 Read more
825. Which phenomenon demonstrates the particle nature of light?
✅ A. Photoelectric effect
A: Photoelectric effect B: Young's double-slit interference C: Diffraction grating D: Polarization Read more
826. What is the slope of a line represented by the equation y = 3x + 5?
✅ C. 3
A: 5 B: -3 C: 3 D: -5 Read more
827. What is the acceleration due to gravity on the surface of Earth approximately?
✅ D. 9.8 m/s^2
A: 8.9 m/s^2 B: 10.5 m/s^2 C: 11.2 m/s^2 D: 9.8 m/s^2 Read more
828. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ C. Convex mirror
A: Plane mirror B: Concave mirror C: Convex mirror D: Parabolic mirror Read more
829. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ B. Boyle's law
A: Charles's law B: Boyle's law C: Gay-Lussac's law D: Avogadro's law Read more
830. What mountain range acts as a natural border between Europe and Asia?
✅ A. Ural Mountains
A: Ural Mountains B: Alps C: Pyrenees D: Carpathian Mountains Read more