RRB Group D 24-Sep-2018 Shift 1 Solved Paper

© examsiri.com

Question : 41 of 100

Marks: +1, -0

Four numbers

{A}, {B}, {C}

and

{D}

are such that their overall average is

26 .

The average of

{A}

and

{B}

is 19.5. The average of

{C}

and

{D}

is :

32.5
31.5
35.5
33

Solution:

Overall average of

{A}, {B}, {C}\ \&\ {D}

=26 \×4=104

average of

{A}

and

{B}=19.5 \×2=39

∴

average of

{C}

and

{D}

= {104-39}/{2}= {65}/{2}=32.5

© examsiri.com

Go to Question:

Prev Question

Next Question