Book
Maths Puzzle
Numerical Ability
find the harmonic mean of two numbers whose geometric mean and arithmetic mean is 8 and 5 repectively
Read Solution (Total 1)
hm=12.8
AM*HM=GM^2
10 years ago
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Book Other Question
the last digit of A is same as the last digit of its square how many such numbers exist from 0 to 90
the mean of 20 observation found is 65 but later it was found that 69 was misread as 96 find the correct mean