Reasoning: (70/100) * 120 (35/100) * 200
84 - 70 = 14
Ans: (B)
Question: By how much is 70% of 120 greater than 35% of 200.
Options:
(A) 15
(B) 14
(C) 13
(D) 16
(E) 17
Rationale: 1 to 11 = 11 * 50 = 550
1 to 5 = 5 * 49 = 245
5 to 11 = 7 * 52 = 364
5th = 245 + 364 550 = 59
The answer: (E)
Question: The average of 11 results is 50, if the average of first five results is 49 and that of the last seven is 52. Find the fifth result?
Options:
(A) 55
(B) 56
(C) 57
(D) 58
(E) 59
Reasoning: Clearly, 71 is a prime number.
Ans: (C)
Question: Find a a prime number from the options below.
Options:
(A) 69
(B) 70
(C) 71
(D) 72
(E) 74
Rationale: First $20 million: royalties/sales ratio = 3/20 = 36/240
Next $108 million: royalties/sales ratio = 9/108 = 1/12 = 20/240
The answer: (C)
Question: A pharmaceutical company received $3 million in royalties on the first $20 million in sales of the generic equivalent of one of its products and then $9 million in royalties on the next $108 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $20 million in sales to the next $108 million in sales?
Options:
(A) 8%
(B) 15%
(C) 45%
(D) 52%
(E) 56%
Reasoning: 12 Rupees = 1200paisa's
36/1200 100 = 3/12
12/3 = 3 %
Ans: (A)
Question: What percent is 36 paisa's of 12 rupees?
Options:
(A) 3 %
(B) 4 %
(C) 5 %
(D) 6 %
(E) 7 %
Reasoning: Required sum = (31 + 37 + 41 + 43 + 47) = 199
Note: 1 is not a prime number
Ans: (B)
Question: What is the sum of all the prime numbers greater than 30 but less than 50?
Options:
(A) 126
(B) 199
(C) 198
(D) 188
(E) 122