RRB NTPC Prelims Model Paper 2 with solutions

Question : 41 of 101

Marks: +1, -0

25 +10 1/2 +1 3/4-20 1/4-1/2=?

Solution:

25 +10 1/2+ 13/4- 201/4-1/2

=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=161/2

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