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

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%

Explanation:

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

A. 4AH
B. 7AH
C. 32AH
D. 35AH

Explanation:

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.

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

A. 24000
B. 28000
C. 35000
D. 39000

Explanation:

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

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

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

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

A. 4AH
B. 7AH
C. 32AH
D. 35AH

Explanation:

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

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