Question

If ‘A ” B’ means ‘add B to A’, ‘A ’ B’ means ‘subtract B from A’, ‘A # B’ means ‘divide A by B’ and ‘A ① B’ means ‘multiply A by B; which of the following gives the average sales of two days where S1 and S2 are the sales of the first and the second day respectively ?

• A. (S1 ’ S2 ) # 2
• B. 2#(S1 " S2 )
• C. (S1 " S2 #2 )
• D. (S1 ① S2 ) # (S1 ” S2)
• E. None of these

Answer 1

Answer: (E)

None of these

Answer 2

To find the average sales of two days using the given operations:

• A”B means add B to A
• A′B means subtract B from A
• A # B means divide A by B.
• A①B means multiply A by B

The correct average formula is$\frac{ S^{1}+S^{2} }{2}$​​, but none of the provided options match this formula.
Therefore, the correct answer is Option 5: None of these
The Correct option is(E)