UPSC CDS 1 2020 Math Paper

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Question : 9 of 100

Marks: +1, -0

If

a

b

=

1

3

,

b

c

=2,

c

d

=

1

2

,

d

c

=3 and

e

f

=

1

4

, then what is the value of

abc

def

?

1
4
3
4
3
8
27
4

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