Question
Total number of HP laptops sold in 2015 and 2016
together is approximately what percent more of the total number of HP laptops sold in 2017 and 2018 together? Study the following graph carefully and answer the given questions: The graph shows the number of laptops sold (in thousands) in the following given six years.Solution
Total number of HP laptops sold in 2015 and 2016 together = 8 + 6 = 14 thousands Total number of HP laptops sold in 2017 and 2018 together = 2 + 7 = 9 thousands Required % = [(14 – 9)/9] × 100 = 55.55% ≈ 56% approx.
Find the wrong number in the given number series.
120, 126, 138, 162, 220, 306
217Â Â Â Â 210Â Â Â Â Â 236Â Â Â Â Â 299Â Â Â Â Â 423Â Â Â Â 640
...112, 222, 440, 872, 1717 , 3424
In each of the following giving number series, a wrong number is given. Find out the wrong number?
82, 81, 86, 110, 168, 287
- 78, 86, 71, 95, 60, 112
2100, 2140, 2186, 2240, 2300, 2372
9, 10, 12, 18, 42, 160
A-5,  A,  35,  52, 78, 115
Find the wrong number in the given number series.
233, 206, 183, 152, 125, 98
Find the wrong number in the given number series.
2, 4, 12, 48, 120, 1440
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