Decimal Fraction - General Aptitude

Q1:

The correct expression of 6.46 in the fractional form is:

A
646
99

B
64640
1000

C
640
100

D
640
99

ANS:D -

640
99

6.46  = 6 + 0.46  = 6 + 46   = 594 + 46   = 640 .
99 99 99