Which of the following functions of $A$ and $B$ may be performed if $A$ and $B$ possess different dimensions

A / B

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A + B

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A - B

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A \times B

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Solution

The correct options are
A $A / B$
D $A \times B$
Only quantities with same dimensions can be added or subtracted while multiplication and division can be performed on quantities with different dimensions. Hence answers are options A and D.

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Similar questions

If a and b are two integers, then which of the following may not be an integer?

(a) $a + b$
(b) $a - b$
(c) $a \times b$
(d) $a \div b$

Question 24

If a and b are two integers, then which of the following may not be an integer?

(a) $a + b$
(b) $a - b$
(c) $a \times b$
(d) $a \div b$

sin 2 A = \frac{1}{2}

sin 2 B = - \frac{1}{2}

If the function $f (x) = | x^{2} + a | x | + b |$ has exactly three points of non-differentiability, then which of the following may hold?

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