केंद्रीय भारतीय 

Select the number from among the given options that can replace the question mark (?) in the following series.

24, 35, 51, 73, 102, ?

Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.

25 * 55 * 30 * 66 * 48 = 48

Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.

In a given code form:

P + Q means P - Q

P ÷ Q means P × Q

P × Q means P + Q

P - Q means P ÷ Q

If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

If '+' means '–', '–' means '×', '÷' means '+' and '×' means '÷', then ' 30 – 12 + 20 × 10 ÷ 10 ' = (?)