Question
If “+” means “minus”, “×” means “divided
by”, “÷” means “plus”, and “-“ means then “multiplied by” 180 × 9 – 2 + 28 ÷ 45Solution
180 ÷ 9 × 2 – 28 + 45 20 × 2 – 28 + 45 40 – 28 + 45 = 57
More Mathematical operation Questions
4Â Â Â Â Â 6Â Â Â Â Â Â 12Â Â Â Â Â 30 Â Â Â Â Â Â 90 Â Â Â Â Â Â Â 310
...In each of the following number series, one term is wrong. Find the wrong term.
7, 14, 30, 63, 131, 266, 538
A-5,  A,  35,  52, 78, 115
Find the wrong number in the given number series.
4, 11, 25, 53, 109, 223, 445
12, 23, 35, 47, 59, 73
3Â Â Â 4Â Â Â 18Â Â Â Â 72Â Â Â Â 360Â Â Â Â Â 2160Â Â Â
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Find the wrong number in the given number series.
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1, 4, 20, 126, 1026, 10170
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46
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