In each of the following questions, which of the following interchange of signs would make the given equation correct?
` 10 + 10 -:10 - 10 xx 10 = 10`

Options

A. ` + and -`
B. `+ and -:`
C. `+ and xx`
D. `-: and +`

Answer

C

Explanation

`10 + 10 -: 10 - 10 xx 10 = 10`
`rArr 10 xx 10 -: 10 - 10 + 10 = 10`
`rArr 10 - 10 + 10 = 10`