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Sodium benzoate and sodium metabisulphite are widely used as food preservatives to prevent spoilage by inhibiting the growth of bacteria, yeast, and fungi.
Given a set of 25 numbers, the overall average is 60. The first 11 numbers in this set have an average of 48, while the last 15 numbers have an average ...
The average salary of A, B and C is Rs. 22000 while average salary of B, C and D is Rs. 25000. If the average salary of D be 2 times of that of A, then...
Class 'P' has a total of 160 students. The ratio of girls to boys in this class is 2:6. The average number of boys in classes 'P' and 'Q' is 180, and th...
The average weight of 10 books is 5 kg. If 6 new books are added, the new average increases by 3 kg. What will be the average weight of the 6 new books?
Average run scored by a batsman in first ‘x’ matches is 50. In next 16 matches he scored runs with an average of 70 so that his overall average incr...
The average of ten positive numbers is calculated as 56. On observing, it was found that two numbers 64 and 32 are wrongly interpreted as 76 and 52, res...
Average age of 30 students is 14 years. If 6 students leave the class, then the average age decreases by 0.5 years. Find the average age of the students...
A batsman had an average of 82 runs per match in the first 25 matches. In his next 15 matches, he scored runs with an average of ‘x’ runs per match ...
