Directions :Study the data carefully and answer the following questions:
Below line graph shows the number of cups of two types (ceramic and plastic) sold by a shopkeeper in five months (June, July, August, September, and October):
Note:-
The ratio of number of plastic cups sold to the number of steel cups sold in each month is 6: 7.
What is the average number of cups of steel type sold in June, and August, together?
1.240
2.420
3.350
4.280
5.210
Correct Answer : 2
Solution :
In June:
Number of ceramic cups sold = 240
Number of plastic cups sold = 540
Number of steel cups sold = 540 * 7/6 = 630
Similarly, calculating the remaining data:
Ceramic
Plastic
Steel
June
240
540
630
July
180
360
420
August
280
180
210
September
320
240
280
October
480
300
350
Required average = (210 + 630)/2 = 420
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