Reasoning: Initial price/area ratio = 1000/700 = 9000/6300
Revised mileage/weight ratio = 1500/900 = 10500/6300
Ans: (C)
Question: In a locality, the prevailing price of a 700 square feet property last year was US Dollar 1000. The owner made some additions and the 900 square feet property is now fetching a price of US Dollar 1500. By approximately what percent did the ratio of price to size increase from the previous year's price?
Options:
(A) 12
(B) 14
(C) 17
(D) 21
(E) 19
Rationale: 1/2:1/3:1/4 = 6:4:3
3/13*1300 = 300
The answer: (A)
Question: Rs. 1300 is divided into three parts A, B and C. How much A is more than C if their ratio is 1/2:1/3:1/4?
Options:
(A) 300
(B) 992
(C) 772
(D) 552
(E) 312
Reasoning: Differnce is multiple of 6
4 and 10 diff is 6
10 and 22 diff is 12
22 and 40 diff is 18
40+24 = 64 but in series it is mentioned as 84
64+30 = 94
Ans: (D)
Question: Find the odd man out
4, 10, 22, 40, 84, 94
Options:
(A) 22
(B) 40
(C) 94
(D) 84
(E) 10
Rationale: 15*14*13/3*2*1 = 455
The answer: (C)
Question: A company organized a recruiting process for 3 vacant positions of assistant manager for its product launches. The company's efforts yielded 15 eligible candidates. How many sets of 3 candidates can the company choose to fill the 3 assistant manager positions?
Options:
(A) 2,060
(B) 1,320
(C) 455
(D) 315
(E) 220
Reasoning: I think answer on this one should be D too. Since we know that 14^7>17^4, as Will said one should always check if the number is positive.
Ans: (D)
Question: What is the units digit of the expression 14^717^4?
Options:
(A) 0
(B) 3
(C) 4
(D) 8
(E) 6
Reasoning: (30*30)/100 = 9%loss
Ans: (A)
Question: A man sells two articles for Rs.3600 each and he gains 30% on the first and loses 30% on the next. Find his total gain or loss?
Options:
(A) 9 % loss
(B) 10% gain
(C) 450
(D) 12% loss
(E) 12% gain