gracie wrote:
DH99 wrote:
A four digit number using the digits 3,4,6 and 7 without repetition is formed.All the possible numbers so formed are added and the sum is equal to P, which of the following is the value of P?
A.133200
B.123320
C.133220
D.133320
E.None of these.
A.133200
B.123320
C.133220
D.133320
E.None of these.
least value=3,467
greatestvalue=7,643
3,467+7,643=11,110
11,110/2=5,555
4*6*5,555=133,320
D
4*6*5,555=133,320
How do you come to the conclusion on the multiplication factors 4*6
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