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Correct the following equations by inter...

Correct the following equations by interchanging the two signs.
`16+4-:2-21xx7=21`

A

`+` and -

B

`+` and `xx`

C

`-` and `-:`

D

`xx` and `-:`

Text Solution

Verified by Experts

The correct Answer is:
D
If we interchange th sings `.xx.` and `.-:.`, the equation becomes
`16+4xx2-21-:7=16+8-3`
=21
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ARIHANT PUBLICATION-MATHEMATICAL OPERATIONS AND SYMBOL NOTATIONS-Let us Practice (A. Base Level Exercise )
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