By elemental analysis of a biomass sample, it was found that the cells in the given sample are composed of (by weight) C=50%, H=8%, O=20%, N=10% and ash content=12%. Which of the following is the correct empirical formula of the ashfree cells, normalized with respect to Nitrogen? 

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#Question id: 5389

#General Aptitude

The average weight of 55 students in a class is 30kg if 15 of the students whose average weight is 28 kg leave the class find the average weight of the remaining students

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#Question id: 5390

#General Aptitude

There are 70 student in a hostel ,if 14 students increased then the total expenditure increased by Rs 84 but the average expenditure decreased by Rs 2 .Find the total expenditure originally .

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#Question id: 5391

#General Aptitude

One half of a certain distance is covered at 40km/h one third of it at 80km/h and the rest at 120 km/h find the average speed for the whole journey.

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#Question id: 5392

#General Aptitude

A company employed 600 man and 400 women their average wage was Rs 68 per day . if a women gets Rs 30 less than a man . what is the average wage of a women 

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#Question id: 5393

#General Aptitude

The set of numbers (5, 6, 7, m, 6, 7, 8, n) has an arithmetic mean of 6 and mode (most frequently occurring number) of 7. Then m × n = ?

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#Question id: 5394

#General Aptitude

The average score of a cricketer for 20 match is 42.5 runs . If the average for the first 13 matches is 55, then find the average for the Last 7 matches