Identify the correct combination of mathematical signs to replace '*' sign in the given equation and balance the equation.
14*6*3*5*4*20
1). $\div$ , + , - , - , =
2). + , $\div$ , - , - , =
3). - , $\div$ , + , = , -
4). = , - , $\div$ , + , -
1. Which Constitutional Amendment Act deals with the disqualification of MPs and MLAs?
2. In which year was the First Five Year Plan launched in India?
3. What is the length of the arc whose central angle is 30° and radius of the circle is 21 cm?
6. Select the odd word/letters/number/number pair from the given alternatives.