Q: Remainder of 2^47/47 ?
Options:
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
A: OK... Stream of consciousness: (2^(47/46))/47 = 2^1/47 = 2
The answer is (A).

Q: 70 is increased by 50%. Find the final number.
Options:
(A) 100
(B) 110
(C) 105
(D) 30
(E) 160
A: OK... Stream of consciousness: Final number = Initial number + 50%(original number) = 70 + 50%(70) = 70 + 35 = 105.
The answer is (C).

Q: What is the are of an equilateral triangle of side 16 cm?
Options:
(A) 645
(B) 649
(C) 644
(D) 643
(E) 642
A: OK... Stream of consciousness: Area of an equilateral triangle = 3/4 S2
If S = 16, Area of triangle = 3/4 * 16 * 16 = 643 cm2;
The answer is (D).

Q: What approximate value should come in place of question mark (?) in the following equation
287.532 + 1894.029 657.48 = 543.095 + ?
Options:
(A) 870
(B) 790
(C) 980
(D) 770
(E) 890
A:
OK... Stream of consciousness: ? = 285 + 1895 655 545 or, ? = 980
The answer is (C).