SSC JE Mechanical Engineering 2018 Set 4 Paper

Question : 33 of 200

Marks: +1, -0

In a certain code language, ‘+' represents ‘–', ‘–' represents ‘×', ‘×' represents ‘÷' and ‘÷' represents ‘+'. Find out the answer to the following question.
160 × 40 ÷ 20 + 10 - 2 = ?

Validate

Solution:

(+) ⇒ (–), (–) ⇒ (×), (×) ⇒ (÷), (÷) ⇒ (+)
On changing the, sign according to instenction.
(160 × 40 ÷ 20 + 10 – 2)
(160 ÷ 40 + 20 – 10 × 2) =

(160/40)

+ 20 – (10 × 2)
= 4 + 20 – 20
= 4

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