If - means - - means -x- -x-means - - and - - means - then 15 - 5 - 10-5-3-

The correct option is C 2 We have, #160;15 × #160;5 ÷ #160;10 #160;+ #160;5 3.Now, it is given that, #160; #34;+ #34; mean ...

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Byju's Answer

Standard XII

Mathematics

Manipulation of inequalities

If "+" means ...

Question

If "+" means "-"; "-" means "x"; "x"means " $\div$ "; and " $\div$ " means "+", then
$15 \times 5 \div 10 + 5 - 3 = ?$

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Solution

The correct option is C $- 2$
We have,
15 $\times$ 5 $\div$ 10 + 5 - 3.
Now, it is given that, "+" means "-"; "-" means "x"; "x"means ""; and "" means "+".
Therefore, 15 $\div$ 5 + 10 - 5 x 3
= 3 + 10 - 15 = -2
Hence, option (C) is the correct answer.

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If "+" means "-"; "-" means "x"; "x"means "÷"; and "÷" means "+", then15×5÷10+5−3=?

The correct option is C −2We have, 15× 5 ÷ 10 + 5 - 3.Now, it is given that, "+" means "-"; "-" means "x"; "x"means ""; and "" means "+".Therefore, 15÷ 5 + 10 - 5 x 3= 3 + 10 - 15 = -2Hence, option (C) is the correct answer.

If "+" means "-"; "-" means "x"; "x"means " $\div$ "; and " $\div$ " means "+", then
$15 \times 5 \div 10 + 5 - 3 = ?$

The correct option is C $- 2$
We have,
15 $\times$ 5 $\div$ 10 + 5 - 3.
Now, it is given that, "+" means "-"; "-" means "x"; "x"means ""; and "" means "+".
Therefore, 15 $\div$ 5 + 10 - 5 x 3
= 3 + 10 - 15 = -2
Hence, option (C) is the correct answer.