A) 15 B) 45 C) 48 D) 60
Of the three numbers, the first number is
twice of the second and the second is thrice
of the third number. If the average of these
3 numbers is 20, then the sum of the largest
and smallest numbers is
A) 24 B) 42 C) 54 D) 60
Sum and average of some numbers are 400
and 40 respectively. If two numbers with
average of 100 are also included, find new
average of all the num
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