RRB Paramedical Staff Nurse Model Paper 5

Question : 42 of 100

Marks: +1, -0

What should come in place of question mark (?) in the following questions?

24-2[18÷(?+1)]=43-(5)^{2}]

Solution:

Consider the expression

24-2[18÷(?+1)]=43-(5)^{2}

24-2[18 ÷(?+1)]=43-25

2[18÷(?+1)]=24-18

\;{18}/{(?+1)}=\;{6}/{2}

3(?+1)=18

?+1=6

?=6-1

=5

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