`((64-38)xx4)-:13=?` (a) 4 (b) 1 (c) 8 (d) 2 (e) 5

1(1)/(4)+1(5)/(9)xx1(5)/(8)-:6(1)/(2)=?( a) 17(b)27 (c) 18(d)42 (e) None of these

Solve (294-:14xx5+11)/(?)=8^(2)-:5+1.7 (a) 8 (b) 6 (c) 12 (d) 5 (e) 10

Solve (21.5)/(5)+(21)/(6)-(13.5)/(15)=(((?)^((1)/(3)))/(4))+(17)/(30) (a) 2( b) 8( c) 512 (d) 324 (e) None of these

32.4xx11.5xx8.5=?( a) 3149.5 (b) 3129.1 (c) 3167.1 (d) 3162.5 (e) None of these

Solve 48. 2xx2. 5xx2. 2+?=270 (a) 6.5 (b) 2.8 (c) 4.9 (d) 3.4 (e) 1.2

(0.75xx4.4xx2.4)-:0.6=?(a)4.752(b)12(c)13.2(d)15.84(e) None of these

(180xx15-12xx20)/(140xx8+2xx55)=?( a) (1)/(7)(b)(4)/(5)(c)2 (d) 4 (e) None of these

(532)/(648)xx(432)/(588)=?(2)/(21) (b) (38)/(63) (c) (21)/(64) (d) (19)/(21) (e) None of these

(3.5xx1.4)/(0.7)=?( a) 0.7(b)2.4(c)3.5(d)7.1 (e) None of these

(16(2)/(5)-12(1)/(15))-:3(4)/(81)=?( a) 1(9)/(19) (b) 1(9)/(13)(c)2(8)/(13) (d) 3(2)/(19) (e) None of these