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Data Interpretation - Table Charts - Discussion

Discussion Forum : Table Charts - Table Chart 6 (Q.No. 1)
Table Charts
Directions to Solve

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)

Year Types of Batteries
4AH 7AH 32AH 35AH 55AH Total
199275144114102108543
19939012610284126528
19949611475105135525
1995105901509075510
199690751357590465
19971056016545120495
199811585160100145605

1.
What was the approximate percentage increase in the sales of 55AH batteries in 1998 compared to that in 1992?
28%
31%
33%
34%
Answer: Option
Explanation:

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

Discussion:
16 comments Page 2 of 2.
Muyiwa99 said:   8 years ago
We are dividing by 108 because the question says compared to 1992 for 55Ah.
Dorji choden said:   7 years ago
Why should we divide by 108 when we can show the comparison from the subtraction itself?
(1)
Sameera said:   7 years ago
According to % rule, when we compare between 2 value then, we sub. 1st value into last value and divided by 1st value. So, here divided by 108 which a 1st value.
(5)
Jennifer Karkada said:   4 years ago
Agree, @Swathi.

If it were to be compared by 1998, will it be 145-108/145*100?
(1)
Pabitra said:   4 years ago
Why should we have to divide by 108 can somebody explain it in a clear way?
(5)
Gowtham said:   1 year ago
Here the formula is[(final value-initial value)/initial value ]*100.

Here we take the initial value as 145 and the final value as 108.
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