Question : Directions: Study the following histogram of wage distribution of different numbers of workers and answer the given questions.
Total number of workers surveyed is:
Option 1: 44
Option 2: 40
Option 3: 49
Option 4: 39
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Correct Answer: 49
Solution :
The number of workers whose wages are between Rs. 900 to Rs. 910 is 3.
The number of workers whose wages are between Rs. 910 to Rs. 920 is 2.
The number of workers whose wages are between Rs. 920 to Rs. 930 is 4.
The number of workers whose wages are between Rs. 930 to Rs. 940 is 9.
The number of workers whose wages are between Rs. 940 to Rs. 950 is 5.
The number of workers whose wages are between Rs. 950 to Rs. 960 is 10.
The number of workers whose wages are between Rs. 960 to Rs. 970 is 5.
The number of workers whose wages are between Rs. 970 to Rs. 980 is 3.
The number of workers whose wages are between Rs. 980 to Rs. 990 is 3.
The number of workers whose wages are between Rs. 990 to Rs. 1000 is 5.
$\therefore$ The total number of workers surveyed = 3 + 2 + 9 + 4 + 5 + 10 + 5 + 3 + 3 + 5 = 49
Hence, the correct answer is 49.
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