q: A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.160. Find the unknown rate of two blankets?
Options:
(A) 420
(B) 550
(C) 490
(D) 450
(E) 457
a: Stream of consciousness: 10 * 160 = 1600
3 * 100 + 5 * 150 = 1050
1600 – 1050 = 550 The answer is (B).


question: If 21 WOMen and 12 men can finish the work in 42 days.How many men should accompany 42 women to that the work will be completed in ten and half days???
Options:
(A) 40
(B) 45
(C) 50
(D) 60
(E) 15
answer: Stream of consciousness: 15 men using chain rul The answer is (E).


q: The speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?
Options:
(A) 15
(B) 66
(C) 77
(D) 52
(E) 42
a: Stream of consciousness: 90 * 10/60 = 15 kmph The answer is (A).


question: From the set of numbers x, y, t, z, p, q and w, how many different combinations can we have without the t and w in them? Ex:. (x,y), (x), (p,q,z,y,x), etc and (x,y)=(y,x)
Options:
(A) 10
(B) 14
(C) 15
(D) 16
(E) 30
answer: Stream of consciousness: Another way: Any letter (x, y, z, p, q) can be included or not. So, we have 2^5 combinations - 2 empty combinations = 30 combinations The answer is (E).


q: In how many different ways can the letters of the word ‘PREPTY’ be arranged?
Options:
(A) 280
(B) 290
(C) 300
(D) 340
(E) 360
a: Stream of consciousness: Number of ways = 61/21 6X5X4X3X2X1 - 360 The answer is (E).


q: Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Options:
(A) 2528
(B) 2526
(C) 2522
(D) 2722
(E) 2426
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: A = 1600(21/20)3 = 2522 The answer is (C).