Mathematical Operations Mock Tests

If "+" means "−", "−" means "×", "×" means "÷" and "÷" means "+", what is the value of: 18 × 6 ÷ 9 + 1 − 5

If 3 cats can catch 3 mice in 3 minutes, how many cats are needed to catch 100 mice in 100 minutes?

If "+" means "−", "−" means "×", "×" means "÷" and "÷" means "+", what is the value of: 40 × 5 ÷ 6 + 4 − 3

If "−" means "÷", "÷" means "+", "+" means "×" and "×" means "−", what is the value of: 15 − 3 + 10 × 5 ÷ 2

If "−" means "÷", "÷" means "+", "+" means "×" and "×" means "−", what is the value of: 12 − 6 + 8 × 4 ÷ 2

If - means +, + means divided by, divided by means x and x means minus, what is the value of: 16 x 2 + 4 - 8 = ?

If "÷" means "×", "×" means "−", "−" means "+" and "+" means "÷", what is the value of: 18 + 6 × 4 − 3 ÷ 9

If '×' means '−', '−' means '÷', '÷' means '+' and '+' means '×', what is the value of: 16 − 8 × 2 + 3 ÷ 7