Question
Solution
Let the total students be x ⇒ Boys = 5x/8, Girls = 3x/8 ⇒ Boys above age 10 = 2/3 of Total boys = 5x/12 ⇒ Girls above age 10 = 1/3 of Total girls = x/8 ⇒ 5x/12 + x/8 = 260 ⇒ x = 480 ∴ Total boys = 5x/8 = 300
Which law states that the total current entering a junction is equal to the total current leaving the junction?
A particle starts from rest and accelerates uniformly at 2 m/s² for 10 seconds, then moves with constant velocity for 5 seconds, and finally decelerat...
An image formed by a plane mirror is ______.
Which of the following does not affect the value of acceleration due to gravity?
Which law describes the relationship between the force applied to a spring and its extension or compression?
Which of the following is not a characteristic of simple harmonic motion (SHM)?
Water flows in a horizontal pipe of non-uniform area of cross-section at a pressure difference of 1.6 cm of mercury. If the velocity of water at the la...
What is found in frequency modulation?
Which one of the following is called a red planet?
The electric and magnetic fields of an electromagnetic wave are _____________