`7777-:77-:5=?` (a) 15.2 (b) 18.5 (c) 22.4 (d) 50.5 (e) None of these

4.4xx5.8xx11.5-141.27=?( a) 121.17 (b) 147.51 (c) 152.21 (d) 187.95 (e) None of these

786-:24xx?=6.55(a)0.2(b)0.4(c)4(d)5(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

18 3/4xx?-:6/(37)=1480 11 7/(12) (b) 11 4/5 (c) 12 5/(12) (d) 12 4/5 (e) None of these

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

The diameter of a circle is 3.5 cm. What is the circumference of the circle? (a) 11 cm (b) 22 cm (c) 38.5 cm (d) 45.2 cm (e) None of these

[(?)^(2)+(18)^(2)]-:125=3.56(a)11(b)12(c)14(d)15(e) None of these

(3)/(5) of (4)/(7) of (5)/(9) of (21)/(24) of 504=?( a) 63 (b) 69 (c) 96 (d) 109 (e) None of these

5(2)/(3)-:?(5)/(6)=2(a)2(b)3(c)4(d) None of these

Solve (550 % of 250)-:275=(?) 15 b. 1. 5 c. 0. 5 d. none of these