q: Find the area of a parallelogram with base 24 cm and height 16 cm.
Options:
(A) 384 cm^2
(B) 200 cm^2
(C) 250 cm^2
(D) 350 cm^2
(E) 400 cm^2
a: Stream of consciousness: Area of a parallelogram = base * height = 24 * 16 = 384 cm2 The answer is (A).
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q: In what time will a railway train 56 m long moving at the rate of 39 kmph pass a telegraph post on its way?
Options:
(A) 3 sec
(B) 4 sec
(C) 5 sec
(D) 6 sec
(E) 7 sec
a: Stream of consciousness: T = 56/39 * 18/5 = 5 se The answer is (C).
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q: Which value of x does statisfy the inequality 2x2 + x 3 < 0?
Options:
(A) -32 < x < 1
(B) -1 < x < 32
(C) x > 1
(D) x < -25
(E) None of these
a:
Stream of consciousness: 2x2 + x 3 < 0
(x 1)(2x + 3) < 0 or, -32 < x < 1 The answer is (A).
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