Simplify 3 - [1 - {4 - (2 ÷ \stackrel{ --- }{7-4})}] _______ .

RRB Group D Model Paper 3 with solutions

Question : 29 of 100

Marks: +1, -0

Simplify 3 - [1 - {4 - (2 ÷

{7-4}↖{ --- }

)}] _______ .

Solution:

(2) Given expression is:3 - [1 - {4 - (2 ÷

{7-4}↖{ --- }

)}]
= 3 – [1 – {4 – (2 + 3)}]
= 3 – [1 – {4 – 5}]
= 3 – [1 + 1]
= 3 – 2 = 1

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