Reasoning: Sum of 10 even numbers = 10 * 11 = 110
Average = 110/10 = 11
Ans: (D)
Question: The average of first 10 even numbers is?
Options:
(A) 18
(B) 16
(C) 15
(D) 11
(E) 19
Rationale: Clearly, 59 is a prime number.
The answer: (B)
Question: Find a a prime number from the options below.
Options:
(A) 58
(B) 59
(C) 60
(D) 62
(E) 64
Reasoning: Answer = E = 4
If least = -4, then largest = 5
Range = 5 - 1 = 4
Ans: (E)
Question: List K consists of 10 consecutive integers. If -4 is the least integer in list K, what is the range of the positive integers in list K?
Options:
(A) 5
(B) 6
(C) 7
(D) 11
(E) 4
Rationale: Largest 4 digit number is 999999
After doing 999999 ÷ 55 we get remainder 44
Hence largest 4 digit number exactly divisible by 88 = 999999 - 44 = 999955
The answer: (A)
Question: Calculate the largest 6 digit number which is exactly divisible by 55?
Options:
(A) 999955
(B) 999900
(C) 999845
(D) 999790
(E) 999735
Reasoning: Since the radius is squared, the biggest volume cylinder will have the biggest possible radius. To achieve that, let the smaller dimension of the rectangular box be the height. So, it will have 14x12 width x length. The biggest cylinder must fit both dimensions, so it must have at most a diameter of 12, so the radius will be 6.
Ans: (D)
Question: 189. The inside dimensions of a rectangular wooden box
are 10 inches by 12 inches by 14 inches. A cylindrical
canister is to be placed inside the box so that it stands
upright when the closed box rests on one of its six
faces. Of all such canisters that could be used, what is
the radius, in inches, of the one that has maximum
volume?
Options:
(A)  3
(B)  4
(C)  5
(D)  6
(E)  8
Reasoning: (30 * 30)/100 = 9% decrease
Ans: (C)

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
Question: The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?
Options:
(A) 910% increase
(B) 10% increase
(C) 9% decrease
(D) 12% decrease
(E) 15% increase