The Bar graph given below presents the maximum temperature (in $$^\circ$$ C) of a city for 10 different days spread over several months.
What is the difference (in degree Celsius) between the highest and the lowest recorded maximum temperatures from the data given for the ten days?
For the following questions answer them individually
The sum of ₹500 becomes ₹600 in 2 years at certain rate of simple interest. If the rate of interest is halved, then what amount will ₹500 give in 2 years?
The cost prices of articles A and B are ₹1200 and ₹1600 respectively. The selling price of article A is ₹1380 and the total profit on selling both the articles is 25%. What is the profit percentage on selling of article B?