For the following questions answer them individually
The simplest way to maintain a potential difference between the two ends of a conductor, so as to get a continuous flow of current is to connect the conductor between the terminals of a ________.
If the selling price is Rs.1680 there is a loss of 16%, what should be the marked price on this product, if after allowing discount of 8% there is a profit of 15%?
Selvam is on $$9^{th}$$ position from upwards and on $$38^{th}$$ position from downwards in a class. How many students are in class?
The mean of x , x + 3, x + 5, x + 7, x + 10 is 9. What is the mean ofthe first 3 observations?
