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Subject Mathematics
2151. ৬০ থেকে ৮০ এর মধ্যে বৃহত্তম ও ক্ষুদ্রতম মৌলিক সংখ্যার অন্তর-
2164. A certain stock of food items is sufficient for 40 men for 12 days. Assuming the eating capacity of all the men to be the same, for how many day the food stock will last if an additional 15 men join the goruop?
2165. P, Q and R start a business. P invest 3.5 times as much as Q invests and Q invests one-third of what R does. If the gross profit is Tk. 1545 determine the share of P.
2171. The average weight of 39 students is 30 kg. By the admission of a new student, the average comes down to 29.8 kg. Find the weight of the new student.
2172. Three consecutive even numbers are such that if the first is divided by 6, the second by 4 and third by 7, the sum of the quotient is 38. Find the numbers.