If - means - - - means - - - - - means - - means - then 5 - 8 - 4 - 2 - 9 -

The correct option is C 17 After #160;substituting the given #160;symbols, the new expression will be: 5 #160;× #160; 8 ÷ 4 2 + 9 = 5 X ...

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Standard XII

Mathematics

Summation by Sigma Method

If "+" means ...

Question

If "+" means " $\times$ ''; ''-'' means " $\div$ "; " $\times$ " means "-"" $\div$ " means "+", then $5 + 8 - 4 \times 2 \div 9 =$ ?

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Solution

The correct option is C $17$
After substituting the given symbols, the new expression will be:
$5 \times 8 \div 4 - 2 + 9$
$= 5 X 2 - 2 + 9$
$= 10 - 2 + 9 = 17$
Hence, option (C) is the correct answer.

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If "+" means "×''; ''-'' means "÷"; "× " means "-""÷" means "+", then 5+8−4×2÷9=?

The correct option is C 17After substituting the given symbols, the new expression will be:5×8÷4−2+9=5X2−2+9=10−2+9=17Hence, option (C) is the correct answer.

If "+" means " $\times$ ''; ''-'' means " $\div$ "; " $\times$ " means "-"" $\div$ " means "+", then $5 + 8 - 4 \times 2 \div 9 =$ ?

The correct option is C $17$
After substituting the given symbols, the new expression will be:
$5 \times 8 \div 4 - 2 + 9$
$= 5 X 2 - 2 + 9$
$= 10 - 2 + 9 = 17$
Hence, option (C) is the correct answer.