SSC Steno Grade C and D 13 Sep 2017 Shift 1 Paper

Question : 29 of 199

Marks: +1, -0

If ‘×’ means ‘+’, ‘÷’ means ‘–’, ‘+’ means ‘÷’ and ‘–’ means ‘×’, then 78 – 13 + 6 × 7 ÷ 23 = ?

Solution:

× ⇒ +	÷ ⇒ -
+ ⇒ ÷	- ⇒ ×

78 – 13 + 6 × 7 ÷ 23 = ?
⇒ ? = 78 × 13 ÷ 6 + 7 – 23
⇒

? = 78 × {13 }/6 + 7 – 23

⇒

? = 13 × 13 + 7 – 23

⇒

? = 169 + 7 – 23

⇒ ? = 176 – 23 = 153

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