A person crosses a 1800 m long street in 5 min. What is his speed (in km/h)?
Distance = 1800m = 1.8km Time = 5min =1/12 hour Speed = D /T = 1.8 / (1/12) = 1.8×12 = 21.6 km/ h
If 'A % B' means 'A + B', 'A # B' means 'A X B', 'A @ B' means 'A - B' and 'A $ B' means 'A ÷ B', then what is the value of the expression ‘13 # 19 %...
In an imaginary mathematical system, symbol '–' stands for addition, symbol '+' stands for division, symbol '×' stands for subtraction, and symbol 'Ã...
Which two numbers should be interchanged to make the given equation correct?
620 + 75 ÷ 8 × 35 – 44 × 5 + 15 = 583
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
132 × ...
If ‘L’ denotes ‘addition’, ‘M’ denotes ‘multiplication’, ‘N’ denotes ‘subtraction’, ‘P’ denotes ‘division’, then what wi...
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
135 × ...
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
15 * 9 * 64 ...
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
If ‘*’ represents 12, '@' represents 48, '$' represents 24, and ‘!’ represents 6, then what mathematical equation below will be ...
If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?
22 X 12 +...
