Meaning of Kiddo

If '+' means division, '-' means multiplication, '-:' means subtraction, 'xx' means addition and 'lt' means less then then which of the following is false?

If +means -,-means xx,xx means div means and div means +, then what will be the value of following expression ? 50+10div25xx5-3=?

Arithmetic Mean, Geometric Mean And Harmonic Mean Inequalities|Exercise Questions|OMR

Arithemetic Mean,Geometric Mean and Harmonic Mean Inequality Part 2

Arithemetic Mean,Geometric Mean and Harmonic Mean Inequality Part 2

Arithemetic Mean,Geometric Mean and Harmonic Mean Inequality Part 1

Arithemetic Mean,Geometric Mean and Harmonic Mean Inequality Part 1

If 'x' means additon, '-' means division, 'div' means subtraction and '+' means multiplicaton, then which of the equation is correct?

If '+' means 'xx' , '-' means '-:' , 'xx' means '-' and '-:' means '+' , then choose the correct expression from the following options.