Question
6 copies of a book can be bought for a certain sum
payable at the end of a year, and 7 copies of the same book can be bought for the same sum in cash money. What is the rate per annum of simple interest (correct to one decimal place)?Solution
The correct answer is C
Two bodies of masses 3 kg and 5 kg are connected by a string and placed on a smooth horizontal surface. A force of 40 N is applied on the 5 kg block. Wh...
The group velocity of matter waves associated with a moving particle is:
In a logic gate, the output is 1 only when at least one input is 1. This gate is:
A particle starts from rest and accelerates uniformly at 2 m/s² for 5 seconds, then moves with constant speed for 5 seconds and finally decelerates uni...
Which of the following is an example of longitudinal waves in a gas medium?
Which quantity has the same dimensional formula as impulse?
What happens to the electrostatic force between two charges when the distance between them decreases?
Specific resistance of a conductor increases with :
Calculate the work done in moving a charge of 2 C across two points having a potential difference of 12 V.
Going from fluorine to chlorine, to bromine and then to iodine, the electro negativity:
