If -X- means - - means - - - means - - and - - means - then 15-2 - 900 - 90 - 100 - -

The correct option is B 60 After substituting the sign, the equation becomes 15× 2+900÷ 90 100 30+10 100 60 Answer is Option B ...

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Byju's Answer

Standard VI

Mathematics

Order of Operations

If 'X' means ...

Question

If 'X' means '-', '+' means ' $\div$ ', '-' means ' $\times$ ' and ' $\div$ ' means '+' then 15-2 $\div$ 900 + 90 $\times$ 100 = ?

190

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- 60

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90

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0

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Solution

The correct option is B $- 60$
After substituting the sign, the equation becomes
$15 \times 2 + 900 \div 90 - 100$
$30 + 10 - 100$
$- 60$
Answer is Option B

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If 'X' means '-', '+' means '÷', '-' means '×' and '÷' means '+' then 15-2 ÷ 900 + 90 × 100 = ?

The correct option is B −60After substituting the sign, the equation becomes15×2+900÷90−10030+10−100−60Answer is Option B

If 'X' means '-', '+' means ' $\div$ ', '-' means ' $\times$ ' and ' $\div$ ' means '+' then 15-2 $\div$ 900 + 90 $\times$ 100 = ?

The correct option is B $- 60$
After substituting the sign, the equation becomes
$15 \times 2 + 900 \div 90 - 100$
$30 + 10 - 100$
$- 60$
Answer is Option B