SSC JE Mechanical Engineering 2018 Set 3 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.
196 + 4 – 125 × 50 + 10 = ?

–61
196
93
–65

Validate

Solution:

(+) ⇒ (–), (–) ⇒ (×), (×) ⇒ (÷), (÷) ⇒ (+)
(196 ÷ 4 – 125 × 50 + 10)
On changing the symbol of the equation
(196 ÷ 4 – 125 × 50 + 10)
(196 + 4 × 125 ÷ 50 – 10) = 196 + 4 ×

(125/50)-10

196 + (4 × 2.5) – 10
= 196

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