" What is additeme imverse of "-25

What is the class mark of class 25-35?

What is the value of 125% of 25% of 80?

If 25 a+25 b=115 , what is the average of a and b ? (a) 2.5 (b) 3.4 (c) 4.5 (d) 4.6 (e) None of these

What is the value of |[0,8,0],[25,520,25],[1,410,0]| ?

25% of a number is 258 less than the square of 25 What is the value of three-fourth of 43 percent of that number?

What is the value of (2000-:(1/2)"of"(25/2)xx(5/2)"of"(4/25)-5) ?

What is the mean proportional of 4 and 25?