Mathematical Op...

If ′β′ means 'equal to, ′δ′ means "not equal to' and ′η′ means 'not greater than', then which of the following four could be a correct inference in 2AδB and Bβ3C?

If 'a > b', 'b > c' and 'c > d', then which of the following conclusions is definitely wrong?

Consider the meanings of the four symbols %, #, and * as given below: 'A % B' means A is more than B', A # B' means A is either more than or equal to B^ 'A B' means A is less than B', 'A * B' means A is equal to B'. Assuming the above statements to be true, identify which of the two conclusions I and regarding the statements given below is/are true? Statements: P Q, Q * R, R # S. Conclusions: I. S % P  II. Q # S

If  ′→′ stands for 'addition'; ′←′ stands for 'subtraction'; ′↑′stands for 'division'; ′↓′ stands for  'multiplication 'and ' ′↗′'stands for 'equal to', then which of the following options is incorrect?  (SOF NSO 2017)

If × stand for addition, ÷ stands for subtraction, + stands for multiplication and ? stands for division, then (20 × 6 ÷ 6 × 4) is equal to:

If × stands for add, y stands for subtract, z stands for divide and p stands for multiply, then what is the value of (7p3) y 6 × 5?

If '+' means ?divided by?, ′−′ means ?add?, ′×′ means ?minus and ′÷′ means ?multiplied by?, what will be the value of the following expression [{(17×12)−(4/2)}+(23−6)]÷0