Study the following information and then answer the questions given below it. In a certain code, the symbol for 0 is © and for 1 is `oplus`. There are no bther symbols for all other numbers greater than one. The number greater than 1 are to be written only by using the two symbols given above. The value of symbol for 1 doubles itself every time it shifts one place to the left. Study the following example:
'0' is written as ©.
'1' is written as `oplus`
'2' is written as `oplus` ©.
'3' is written as `oplus oplus`.
'4' is written as `oplus` © © and so on.
Which of the following will represent the value of the expression '`3 xx 9 +3-1'`?

Options

A. `© © © oplus`
B. `oplus oplus oplus © `
C. `oplus oplus © © `
D. `oplus © © ©`

Answer

D

Explanation

The value of expression
`3 xx 9 + 3 - 1 = 8`
Using the given pattern in option (d) , we get
`oplus © © © implies 8 + 0 + 0 + 0 = 8`