Question
The ratio of the number of people
in A and B Companies is 4:5. 70% and 72% of people in A and B Companies passed the interview, respectively. After the regulation of the passing mark's in interview, the number of people who passed increased by 8 in both companies. If the total number of people who failed in interview is now 36, then find the total number of people in both A and B Companies.Solution
ATQ, Let number of people in A and B be 4p and 5p respectively. 4p - (4p × (70/100) + 8) + 5p - (5p × (72/100) + 8) = 36 4p - 2.8p - 8 + 5p - 3.6p - 8 = 36 2.6p = 52 p = 20 Total number of people = 4p + 5p = 9 × 20 = 180
Do a roaring trade
With too much work, our holiday has become ball and chain.
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Select the most appropriate meaning of the given idiom.
Fair-weather friend
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He keeps trying to get the company to reconsider th...
Select the most appropriate meaning of the bold idiom in the given sentence.
You must have a concrete project and not build castles in the air...
The bee’s knees
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Full of beans
Do not run down your friends in public.
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