If ‘×’ denotes ‘ – ‘. ‘+’ denotes ‘×’ . ‘÷’ denotes ‘+’ and ‘ – ‘ denotes ‘÷’. Then Find out the value of the following equations.
175 – 25 ÷ 5 + 20 × 3 + 10=?

If “+” denotes ‘ – ‘ , ‘ – ‘ denotes ‘× ‘, ‘×’ denotes ‘÷’  and ‘÷’ denotes ‘+’, then what is the value of
15 – 5 +15 ÷ 45 × 15

The weights of 4 boxes are 70, 100, 20 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once. 

The ratio of the number of girls to the number of boys in a town is 90 %. If the total number of boys and girls in the town is 190, how many girls are in the town? 

If “S” denotes “multiplied by”, “V” denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then
96 L 8 S 4 V 16 M 9 = ?

If L=+, M= - , N = ×, P=÷ then 5 N 5 P 5 L 5 M 5 =?

There are deer and peacocks in a zoo. By counting heads they are 80. And the number of their legs is 200. How many peacocks are there? 

if 12 ( 20 ) 16 and 21 ( 35 ) 28, then what is value of A in 48 ( 80 ) A ?