q: Express a speed of 720 kmph in meters per second?
Options:
(A) 120 mps
(B) 200 mps
(C) 181 mps
(D) 190 mps
(E) 125 mps
a: Stream of consciousness: 720 * 5/18 = 200 mps The answer is (B).
--
q: Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
Options:
(A) 328
(B) 150
(C) 279
(D) 277
(E) 267
a: Stream of consciousness: 1/2 * 20(9 + 6) = 150 cm2 The answer is (B).
--
q: A committee has 5 men and 6 women. What are the number of ways of selecting a group of eight persons?
Options:
(A) 165
(B) 185
(C) 205
(D) 225
(E) 245
a:
Stream of consciousness: Total number of persons in the committee = 5 + 6 = 11
Number of ways of selecting group of eight persons = C = C = (11 * 10 * 9)/(3 * 2) = 165 ways. The answer is (A).
--