RRB NTPC 2014 Paper

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Question : 57 of 100

Marks: +1, -0

25 + 10

1 /2

+ 1

3/4

- 20

1/4

-

1/2

= ?

64 $1/4$
16 $1/2$
14 $3/4$
24

Solution:

(2)

25+10 {1}/{2}+1 {3}/{4}-20 {1}/{4}-{1}/{2}

=25+10+{1}/{2}+1+{3}/{4}-(20+{1}/{4})-{1}/{2}

=25+10+1-20+{1}/{2}+{3}/{4}-{1}/{4}-{1}/{2}

=16+{2}/{4}=16 {1}/{2}

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