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The correct answer is B
Average run scored by a batsman in 20 innings is 90. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average of 18 numbers is 75. The average of the first nine numbers and the last six numbers is 62.5 and 82.5, respectively. T...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount than that of ‘A’. The amount ‘B’ h...
The average of six numbers is 8. When three new numbers are included in such a way that the first number is twice the second and second number is thri...
The average weight of 36 students in a class is 62 kg. When two new students having weights (m + 8) kg and (m − 6) kg joined, the average weight dropp...
There are 15 numbers such that average of first 12 numbers is 25 while the average of last five numbers is 44. Find the 12th number, if the ratio betwee...
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
The average height of the boys in a class is 160 cm, while the average height of the girls is 155 cm. The overall average height of all students in the ...
What is the average of odd numbers greater than 10 but less than 30?
