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According to this formula Average of cubes = n(n+1) ² /4 =7(7+1) ² /4 =7 ×64/4 =112
The average weight of 25 employees in an office increases by 0.8 kg when the weight of the manager is included. If earlier the average weight of the emp...
The average mark obtained by 160 candidates in a certain examination is 55. If the average marks of passed candidates are 60 and that of the failed cand...
The average height of each person in group 'G' having 28 people is 12 cm less than the average height of each person in group 'H' having 24 people. If t...
The average weight of 20 students in a class is 52 kg. Two students leave the class, and their combined average weight is 40 kg. Subsequently, six new s...
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?
Virat Kohli's strike rate after facing 'b' balls is 120. In the subsequent 15 balls, he scores an additional 39 runs, leading to ...
The average of 16 numbers is 37. If 3 is added to each number, then the new average will be:
In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced t...
P spends 24% of his salary on transportation, 36% on food, 19% on children’s education and 17% on medical. He deposits the remaining amount of Rs....
