Data Interpretation

Table Chart 4

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Table Chart 4

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The following table gives the sales of batteries manufactured by a company over the years.

Number of Different Types of Batteries Sold by a Company Over the Years (Numbers in Thousands)

YearTypes of Batteries
4AH7AH32AH35AH55AHTotal
199275144114102108543
19939012610284126528
19949611475105135525
1995105901509075510
199690751357590465
19971056016545120495
199811585160100145605

Question 1
The total sales of all the seven years is the maximum for which battery?

A
4AH
B
7AH
C
32AH
D
35AH
E
55AH
Correct Answer: Option C

The total sales (in thousands) of all the seven years for various batteries are:

For 4AH = 75 + 90 + 96 + 105 + 90 + 105 + 115 = 676

For 7AH = 144 + 126 + 114 + 90 + 75 + 60 + 85 = 694

For 32AH = 114 + 102 + 75 + 150 + 135 + 165 + 160 = 901

For 35AH = 102 + 84 + 105 + 90 + 75 + 45 + 100 = 601

For 55AH = 108 + 126 + 135 + 75 + 90 + 120 + 145 = 799.

Clearly, sales are maximum in case of 32AH batteries.

Question 2
What is the difference in the number of 35AH batteries sold in 1993 and 1997?

A
24000
B
28000
C
35000
D
39000
E
42000
Correct Answer: Option D

Required difference = [(84 - 45) x 1000] = 39000.

Question 3
What was the approximate percentage increase in the sales of 55AH batteries in 1998 compared to that in 1992?

A
28%
B
31%
C
33%
D
34%
E
37%
Correct Answer: Option D

Required percentage
= [ (145 - 108) x 100 ] %
108
= 34.26%
~= 34%.

Question 4
In case of which battery there was a continuous decrease in sales from 1992 to 1997?

A
4AH
B
7AH
C
32AH
D
35AH
E
55AH
Correct Answer: Option B

From the table it is clear that the sales of 7AH batteries have been decreasing continuously from 1992 to 1997.

Question 5
The percentage of 4AH batteries sold to the total number of batteries sold was maximum in the year?

A
1994
B
1995
C
1996
D
1997
E
1998
Correct Answer: Option D

The percentages of sales of 4AH batteries to the total sales in different years are:

For 1992 = ( 75 x 100 ) % = 13.81%.
543

For 1993 = ( 90 x 100 ) % = 17.05%.
528

For 1994 = ( 96 x 100 ) % = 18.29%.
525

For 1995 = ( 105 x 100 ) % = 20.59%.
510

For 1996 = ( 96 x 100 ) % = 19.35%.
465

For 1997 = ( 105 x 100 ) % = 21.21%.
495

For 1998 = ( 115 x 100 ) % = 19.01%.
605

Clearly, the percentage is maximum in 1997.