q: In how many different ways can the letters of the word â€˜EXTENTâ€™ be arranged?
Options:
(A) 250
(B) 180
(C) 300
(D) 310
(E) 360
a: Stream of consciousness: Number of ways = 6!/2!2! = 6X5X4X3X2X1/2X1X2X1 = 180 The answer is (B).


question: A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
Options:
(A) 12
(B) 10
(C) 14
(D) 25
(E) 15
answer: Stream of consciousness: Dividend Rs 20 = (9/100*20) = 9/5
12 is an income on Rs 100
Rs 9/5 is an income Rs (100/12*9/5) = Rs 15 The answer is (E).


q: 45 pupil,out of them 12 in debate only and 22 in singing only.then how many in both?
Options:
(A) 9
(B) 10
(C) 11
(D) 12
(E) 13
a: Stream of consciousness: The intersection for two = 45 - 12 - 22 = 11 play both games. The answer is (C).


question: One copy machine can make 15 copies a minute, and a second copy machine makes 10 copies a minute. If the two copiers work together, how long would it take them to make 1,000 copies?
Options:
(A) 20 minutes
(B) 30 minutes
(C) 40 minutes
(D) 50 minutes
(E) 60 minutes
answer: Stream of consciousness: Total work done by both machines in a minute = 15 + 10 = 25 copies
Total number of copies required = 1000
Time = 1000/25 = 40 mins The answer is (C).


q: A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is?
Options:
(A) 124432
(B) 145366
(C) 157768
(D) 178432
(E) 220030
a: Stream of consciousness: (555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220030 The answer is (E).


q: A person deposits 1/16 of his income as Provident Fund and 1/15 of the remaining as insurance premium. If he spends 5/7 of the balance on domestic needs and deposits an amount of Rs. 50 in the bank, his total income would be
Options:
(A) 150
(B) 200
(C) 250
(D) 300
(E) 350
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: (1-(1/16))(1-(1/15))(1-(5/7)) of Income = 50
Hence income = 200 The answer is (B).