question: What approximate value should come in place of question mark (?) in the following equation
287.532 + 1894.029 857.48 = 743.095 + ?
Options:
(A) 870
(B) 790
(C) 580
(D) 770
(E) 890
answer: Stream of consciousness: ? = 285 + 1895 855 745 or, ? = 580 The answer is (C).

q: Which of the following CANNOT be weighed using a balance scale and these unit weights: 2, 4, 7, and 10
Options:
(A) 16
(B) 15
(C) 18
(D) 19
(E) 21
a: Stream of consciousness: A. 13 (can be weighed by keeping weights of 10, 2 and 4 )
B. 15 (cannot be weighed)
C. 17 (can be weighed by keeping weights of 10 and 7 kg)
D. 19(can be weighed by keeping weights of 10, 2 and 7 kg)
E. 21 (can be weighed by keeping weights of 10, 7 and 4 kg) The answer is (B).

question: In how many different ways can the letters of the word "CLAIM" be rearrangement?
Options:
(A) 120
(B) 130
(C) 140
(D) 145
(E) 150
answer: Stream of consciousness: Option 'A'
The total number of arrangements is
5P5 = 5! = 120 The answer is (A).

q: During a sale, the price of a pair of shoes is marked down 12% from the regular price. After the sale ends, the price goes back to the original price. What is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes?
Options:
(A) 9%
(B) 10%
(C) 11%
(D) 14%
(E) 90%
a: Stream of consciousness: Assume the price = 100
Price during sale = 88
Price after sale = 100
Percent increase = 12/88*100 = 14% approx. The answer is (D).

question: A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of A?
Options:
(A) 2277
(B) 3000
(C) 2682
(D) 7222
(E) 2682
answer: Stream of consciousness: 60*5:36*6:75*3
100: 72: 75
100/247 * 7410 = 3000 The answer is (B).

question: If f(x) = x^2/(x^5 - 1), what is f(1/x) in terms of f(x)?
Options:
(A) 1/f(x)
(B) -f(x)
(C) 2/f(x)
(D) f(x)
(E) 3*f(x)
answer:
Stream of consciousness: If x = 2 then f(x) = 4/31 and f(1/x) = -4/31 which is equal to -f(x) The answer is (B).