Reasoning: 45789+ 34567 = 610+ ?
45789+ 34567 610 = 79746
Ans: (E)
Question: What should come in place of the question mark (?) in the following equation?
45789+ 34567 = 610+ ?
Options:
(A) 96543
(B) 13678
(C) 23456
(D) 56789
(E) 79746
Rationale: Given Exp. = (12)3 x 64 = (12)3 x 64 = (12)2 x 62 = (72) 2 = 5184
432 12 x 62
The answer: (E)
Question: Find the value of y from (12)^3 x 6^ 4 432 = y?
Options:
(A) 3456
(B) 4567
(C) 4789
(D) 5678
(E) y=5184
Reasoning: 9 = (1*42*R)/100
R = 21 3/7 %
Ans: (C)
Question: If rupee one produces rupees nine over a period of 42 years, find the rate of simple interest?
Options:
(A) 22 1/7 %
(B) 22 3/2 %
(C) 21 3/7 %
(D) 22 1/2 %
(E) 22 1/2 %
Rationale: 10 * 170 = 1700
3 * 100 + 5 * 150 = 1050
1700 1050 = 650
The answer: (B)
Question: A women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.170. Find the unknown rate of two towels?
Options:
(A) A) 400
(B) B) 650
(C) C) 500
(D) D) 550
(E) E) 600
Reasoning: Total cost involved for each 75 $ shipment: 3+2 = 5 $. Thus, for two such orders = 10$
Total cost involved for a 150$ shipment: 3+3 = 6$. Thus, for two such orders = 18$
The difference = 8$.
Ans: (E)
Question: For every order, a certain mail-order company charges a shipping fee of $3 plus an additional $2 if the value of the order is over $50 but not over $100 or an additional $3 if the value of the order is over $100. How much greater are the total shipping fees for 2 orders of $75 each than the total shipping fee for 3 order of $150 ?
Options:
(A) $1
(B) $2
(C) $3
(D) $4
(E) $8
Reasoning: Speed in still water = (10 + 4)1/2 kmph = 7 kmph.
Ans: (A)
Question: Calculate the speed of a boat in still water (in km/hr) if in one hour, the boat goes 10 km/hr downstream and 4 km/hr upstream.
Options:
(A) 7 kmph
(B) 8 kmph
(C) 9 kmph
(D) 7 kmph
(E) 6 kmph