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Study the following graph and answer the given question. The bar graph shows the number of different items sold by a shopkeeper in their respective quantities.
What is the total units of Headphones and Mobile phones sold put together?
25
35
15
45
45
Read the values directly from the bar graph for Headphones and Mobile phones, then add them up in your head.
Quantity of Headphones = 10 units, Quantity of Mobile phones = 35 units
Total=Quantity(Headphones)+Quantity(Mobile┬аphones)
Read the values directly from the bar graph for Headphones and Mobile phones, then add them up in your head.
Confusing the bars for different items like Watches or Microphones instead of Headphones and Mobile phones.
Identify units of Headphones from graph
Looking at the bar graph, the quantity of Headphones sold is 10.
Headphones=10
Identify units of Mobile phones from graph
Looking at the bar graph, the quantity of Mobile phones sold is 35.
Mobile┬аphones=35
Calculate total units put together
Add the two quantities together: 10+35=45.
Total=10+35=45
D is correct because the total units of Headphones (10) and Mobile phones (35) put together is 10+35=45.
Data interpretation questions frequently combine simple addition/subtraction with comparative ratios in competitive examinations.