The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax-8, then a is
_______________ states that the ratio of the potential difference across a conductor to the current flowing through it, is a constant, provided that its physical conditions, such as temperature, remain constant.
97% of the total debt of all state power distribution companies has been covered till June 2017 under the ‘UDAY’ scheme. What does ‘D’ standfor in ‘UDAY’?