q: What number comes next in the following series? 4, 14, 44, 134, 404, ____
Options:
(A) 1204
(B) 1208
(C) 1214
(D) 1216
(E) 1220
a: OK... 4
4 3 + 2 = 14
14 3 + 2 = 44
44 3 + 2 = 134
134 3 + 2 = 404
404 3 + 2 = 1214
The answer is (C).

q: A bag contains nine black balls, three red balls and four red balls. In how many ways can two balls be drawn from the bag?
Options:
(A) C
(B) C
(C) C
(D) C
(E) C
a: OK... Total number of balls = 9 + 3 + 4
Two balls can be drawn from 16 balls in C ways.
The answer is (A).

q: The floor of a rectangular room is 17 m long and 12 m wide. The room is surrounded by a veranda of width 2 m on all its sides. The area of the veranda is :
Options:
(A) 124 m2
(B) 132 m2
(C) 148 m2
(D) 152 m2
(E) None of these
a:
OK... Area of the outer rectangle = 21 16 = 336 m2
Area of the inner rectangle = 17 12 = 204 m2
Required area = (336 204) = 132 m2
The answer is (B).