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The Police were informed of the matter. The Police was informed of the matter.

Hi friends I Need Shortcut formula for such kind of maths with explanation > In an examination 42% student failed In Bangla And 52% failed in English . If 17% failed in both the subjects ,the % of those who passed in both the sub is ??

If “a” men or “b” women can do a piece of work in x days, then “m” men and “n” women can together finish the work in (abx)/(an+bm) days. But what will be the formula when there will be three persons,suppose men,women & boy . I am giving a Question if 1 man or 2 women or 3 boys can do a piece of work in 44days,then the same piece of work will be done by 1man , 1 woman and 1 boy

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I need shortcut formula for solving such kind of maths . Kindly help me ... Example: In a group of 15, 7 have studied Latin , 8 have studied Greek and 3 have not studied either. How many of these studied both latin & greek ?

In a club 50% of the male voters and 80% of the female voters voted for candidate A. If candidate A received 70% of the votes , what is the ratio of male to female voters ?