Reasoning: 125% of 120% of A = 222
125/100 * 120/100 * A = 222
A = 222 * 2/3 = 148.
Ans: (B)
Question: A sells a Cricket Bat to B at a profit of 20%. B sells it to C at a profit of 25%. If C pays $222 for it, the cost price of the Cricket Bat for A is:
Options:
(A) 150
(B) 148
(C) 130
(D) 160
(E) 210
Rationale: 6a2 = 6 * 3a * 3a = 54a2
The answer: (B)
Question: The edge of a cube is 3a cm. Find its surface?
Options:
(A) 64a2 cm2
(B) 54a2 cm2
(C) 84a2 cm2
(D) 24a2 cm2
(E) 34a2 cm2
Reasoning: S = 120/6 * 18/5 = 72 kmph
Ans: (D)
Question: A 120 meter long train crosses a man standing on the platform in 6 sec. What is the speed of the train?
Options:
(A) 229
(B) 108
(C) 278
(D) 72
(E) 112
Rationale: Speed = 63 * 5/18 = 35/2 m/sec
Time taken = 350 * 2/35 = 20 sec
The answer: (D)
Question: A train 350 m long, running with a speed of 63 km/hr will pass a tree in?
Options:
(A) 15 sec
(B) 16 sec
(C) 18 sec
(D) 20 sec
(E) 25 sec
Reasoning: Area of an equilateral triangle = 3/4 S2
If S = 16, Area of triangle = 3/4 * 16 * 16 = 643 cm2;
Ans: (D)
Question: What is the are of an equilateral triangle of side 16 cm?
Options:
(A) 645
(B) 649
(C) 644
(D) 643
(E) 642
Reasoning: 400*(90/100)* (95/100) = 342
Ans: (C)
Question: The sale price shirts listed for Rs.400 after successive discount is 10% and 5% is?
Options:
(A) 280
(B) 290
(C) Rs.342
(D) 250
(E) 253