`(3^3)^3 div (3)^25 times (3^4)^(4)`

The value of (2)/(5) div (3)/(10) of (4)/(9) - (4)/(5) xx 1 (1)/(9) div (8)/(15) - (3)/(4) + (3)/(4) div (1)/(2) is: (a)7/9 (b)23/6 (c)4/3 (d)25/12

(0.49)^(4)xx(0.343)^(4) div (0.2401)^(4)=(70div100)^(?+3)

(9.8 xx 2.3 + 4.46) div 3 = (3)^(?)

The value of [(3+5-4)+(17-3xx 4)]+[4 div 2-16 div 4+3] is: [(3+5-4)+(17-3xx 4)]+[4 div 2-16 div 4+3] का मान है

What is the value of (3)/(7) div (9)/(21) +2-(4)/(3)+(1)/(2)" of "(12)/(5) xx (25)/(18) div (5)/(9) ?

What is the value of ((3)/(4) div (9)/(32) +(4)/(3) xx (2)/(3) " of "(27)/(16))/((1)/(2) xx ((8)/(2) -2) div (4)/(9) +((1)/(3)+(1)/(6))) ? (a) (10)/(3) (b) (13)/(2) (c) (25)/(2) (d) (31)/(2)

3xx(60 div 2.5)=?