For the following questions answer them individually
Which technique is used to determine the depth of the sea, locate the underwater hills, valleys, submarines, icebergs etc.?
Find the selling price of an article, if a shopkeeper allows two successive discounts of 5% each on the marked
price of Rs.80.
Find the selling price of an article, if a shopkeeper allows two successive discounts of 5% each on the marked
price of Rs.80.
A 110 m long train crosses a pole in 12 seconds. What is the speed of the train in km/h?