If - stands for - - stands for - - stands for - - - stands for - - then13 - 5 - 20 - 10 - 9 - -

The correct option is C 14After substituting the given nbsp;symbols, the new expression will be: 13 + 5 × 20 ÷ 10 9 The solving steps will be 13 + ...

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Standard XII

Mathematics

Local Maxima

If ▴ stands...

Question

If $▲$ stands for '+'
$■$ stands for '-'
$∙$ stands for ' $\div$ '
$$ stands for ' $\times$ ' then
13 $▲$ 5 $$ 20 $∙$ 10 $■$ 9 = ?

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Solution

The correct option is C 14
After substituting the given symbols, the new expression will be:
$13 + 5 \times 20 \div 10 - 9$
The solving steps will be
$13 + 5 \times 2 - 9$
= 13 + 10 - 9
= 23 - 9 = 14
Hence, option (C) is the correct answer.

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If ▲ stands for '+'■ stands for '-'∙ stands for '÷'∗ stands for '×' then13▲ 5 ∗ 20 ∙ 10 ■ 9 = ?

The correct option is C 14After substituting the given symbols, the new expression will be:13+5×20÷10−9The solving steps will be13+5×2−9= 13 + 10 - 9= 23 - 9 = 14Hence, option (C) is the correct answer.

If $▲$ stands for '+'
$■$ stands for '-'
$∙$ stands for ' $\div$ '
$$ stands for ' $\times$ ' then
13 $▲$ 5 $$ 20 $∙$ 10 $■$ 9 = ?

The correct option is C 14
After substituting the given symbols, the new expression will be:
$13 + 5 \times 20 \div 10 - 9$
The solving steps will be
$13 + 5 \times 2 - 9$
= 13 + 10 - 9
= 23 - 9 = 14
Hence, option (C) is the correct answer.