RRB NTPC Mains or Stage 2 Model Paper 1 with solutions

Question : 6 of 120

Marks: +1, -0

If ‘+’ means ‘÷’, ‘–’ means ‘×’, ‘÷’ means ‘+’ and ‘×’ means ‘–’ then 36 × 12 + 4 ÷ 6 + 2 – 3 = ?

Solution:

+ ⇒ ÷	- ⇒ ×
÷ ⇒ +	× ⇒ -

36 × 12 + 4 ÷ 6 + 2 – 3 = ?

⇒ ? = 36 – 12 ÷ 4 + 6 ÷ 2 × 3

⇒ ? = 36 – 3 + 3 × 3

⇒ ? = 36 – 3 + 9

⇒ ? = 45 – 3 = 42

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