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Subject :IMO    Class : Class 3
The greatest digit number that can be formed using 6,0,5,4 without repeating the digit is.......................... (A) 6540 (B) 6045 (C) 5604 (D) 4065

Ans 1:

Class : Class 6
B

Ans 2:

Class : Class 3
a

Ans 3:

Class : Class 5
D

Ans 4:

Class : Class 3
80 - 16 = 64

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