[Ans] (D)
[Question] What is the are of an equilateral triangle of side 14 cm?
Options:
(A) 663 cm2
(B) 743 cm2
(C) 643 cm2
(D) 493 cm2
(E) 143 cm2
[CoT] Area of an equilateral triangle = 3/4 S2
If S = 14, Area of triangle = 3/4 * 14 * 14 = 493 cm2;

[Ans] (A)
[Question] A train 560 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 126 kmph
(B) 77 kmph
(C) 54 kmph
(D) 71 kmph
(E) 88 kmph
[CoT] S = 560/16 * 18/5 = 126 kmph

[Ans] (A)
[Question]
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
[CoT] 2x2 + x 3 < 0
(x 1)(2x + 3) < 0 or, -32 < x < 1