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Let the number of boys = 3x and girls = 4x. Total = 3x + 4x = 56 => 7x = 56 => x = 8. Thus, boys = 3x = 3*8 = 24. Correct answer: b) 24
A man, a woman and a girl can together complete a piece of work in 60 days. If 10 men can do it in 16 days and 8 girls can finish it in 30 days, how lon...
Anjali,' 'Bheem,' and 'Chetna' started a business together with initial investments of Rs. 3,875, Rs. (B + 2700), and Rs. 'B,' respectively. After 16 mo...
Three boys can do a work in 15 days where as 6 girls can do in 12days. What will be the time taken to complete the same work by a teacher if the efficie...
A’ and ‘B’ together can complete a work in 10 days while ‘A’ takes 30 days to complete the same work alone. If ‘C’ is 50% more efficient t...
‘A’ and ‘B’ can do a piece of work in 30 days and 40 days, respectively. They started working together but ‘A’ left after 9 days. Find the t...
Brahma, Vishnu and Mahesh are three workers, employed by a Contractor. They completed the whole work in 20 days. Initially all of them worked together, ...
Thirty men working 8 hours daily complete a task in 16 days. If the work increases to three times the original and needs to be fi...
In a retreat, there is sufficient food for 300 people for the duration of the retreat. After 8 days, 100 people leave the retreat. Then, after another 3...
