In question select the related letter words number from the given alternatives.
For the following questions answer them individually
If ‘×’ means ‘-‘, ‘-‘ means ‘×’, ‘+’ means ‘÷’ and ‘÷’ means ‘+’, then $$(15 - 10) \div (130 + 10) \times 50 = ?$$
Substitute the correct mathematical symbols in place of * in the following equation 16*4*5*14*6
