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The average marks scored by 30 boys and 40 girls are 75 and 85 respectively. Find the average marks scored by all the students together. (Answer should ...
If the average marks of the three batches 32, 45 and 54 student respectively is 50, 42 and 35, then find the approximate average mark of all the students?
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
The average age of three children is 20 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
In an election between two candidates, the winner secured a victory margin of 720 votes. If 20% of the total votes polled were de...
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
In a family of 10, the men eat on average 65 kg of food and women eat on an average 45 kg of food. The men and women are equal in number. A woman...
The cost of packaging of the oranges is 15% the cost of fresh oranges themselves. The cost of oranges increased by 35% but the cost of packaging decreas...
The average salary of 24 employees is recorded as ₹ 16,584. If the salary of an employee with value ₹14,526 was entered Wrongly as ₹ 41,238, then ...
Average run scored by a batsman in 60 innings is 180. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases...
