Elance Technical Aptitude Test Answers 2015



Complete the series: 5, 10, 15, …
20
23
30
25


What is the value of x: 20 = e^x
sqrt(20)
ln(20)
2.73
20 / x


Solve for x: 16 + 2x = 10x
2
8
16
3/2


Where should parentheses be added to make the following expression true? 3 * 25 + 8 - 3 * 8 - 3 = 100
3 * (25 + 8 - 3) * 8 - 3
3 * 25 + (8 - 3) * (8 - 3)
3 * (25 + 8) - 3 * 8 - 3
3 * 25 + (8 - 3 * 8 - 3)


Which entry must be removed so that all lines are identical? 451190 451190 40184 40184 675032 675023 120481 120481
451190 451190
120481 120481
40184 40184
675032 675023


True or False? The following two sets of data are exactly the same. 4815162342 4815162342 13378005 13378005 1122113 1122113 11.1516 1.11516
True
False


Luke is faster than Joe Joe is faster than Jim If the first two statements are true, which is also a true?
Can’t be certain if Luke or Jim is faster
Jim is faster than Luke
Luke is faster than Jim


In how many of the following lines are the two numbers identical? 45539 45539 32890 32890 8334 8334
0
2
1
3


Identify the missing number from the series. 1,2,1,3,1,?,1
5
2
3
1
4


Where should parentheses be added to make the following expression true? 5 ÷ 1 + 1 + 1 + 1 + 1 = 1
5 ÷ (1 + 1 + 1 + 1 + 1)
(5 ÷ 1 + 1 + 1) + (1 + 1)
(5 ÷ 1) + (1 + 1) + (1 + 1)
(5 ÷ 1) + 1 + 1 + 1 + 1


If a = 2 x 5 and b = 5 x 10 then b ÷ a =
5
1/2
10
15


What are the next numbers in this sequence? 9, 18, 27, 36, 45, 54, 63
72, 81, 90
73, 82, 91
71, 80, 90
72, 80, 89


What is the last digit of the product of 106 x 106 x 106?
0
6
1
4


If a = 2, b = 1 and c = 4, find ab/cb.
1/2
2/5
3/5
2


Start the series: …, 20, 15, 10, 5
30
0
17
25


Add parentheses to make the following expression true: 3 * 5 + 7 - 3 = 33
3 * (5 + 7) - 3 = 33
3 * 5 + (7 - 3) = 33
(3 * 5) + 7 - 3 = 33
3 * 5 + 7 - 3 = 33


What comes next in the following sequence? 1, 5, 2, 10, 3, 15 ...
15
11
21
4


2 + 3 * 4 + 5 * 2 =
58
50
24
90


Which of the following matches the string: t9zk6eay
t9zk6eay
t9xk6eiay
t9zk6easy
t9zk6ea


3 * 3 * 3 + 3 * 3 =
243
36
279
15


Complete the series: -12, -8, -4, 0, ...
-3
4
0
-2


What number comes next? 2, 1, (1/2), (1/4), ...
1/16
1/3
2/8
1/8


What's next in the sequence? AW AX AY AZ BA ...
1A
ZA
BB
AA


Solve for y when x = 4: y = 5x
5/4
4/5
20
9


Which of the following doesn’t belong: red, yellow, banana, blue, black
banana
yellow
red
blue


Complete the series: a, bb, ccc, ...
cccc
dddd
abcd
ddddd


Complete the series: a, ab, abc,...
acdb
abdc
aabb
abcd


Complete the series: 1, 2, 4, 8, 16, 32, ...
64
42
23
60


True or False? The following strings are identical. 5834cf32bsd32a 5834cf32bsd32a
False
True


What number comes next in the following sequence? 128, 256, 512, 1024 ...
1025
4096
8192
2048


Which character should you remove to make the two lines identical? h609LP h6092LP
P
L
h
2


Find the value of x: 8x + 3 = 27
80
4
10
3


In how many of the following lines are the two numbers exactly the same? 852390 852390 123457 1234567 23456 23456
2
3
0
1


What is the next number in the sequence? 1000 1001 1010 1011 1100 ...
11
1111
1010
1101


Where should parentheses be added to make the following expression true? 1 + 1 * 1 + 1 * 1 + 1 = 8
(1 + 1 * 1) + (1 * 1 + 1)
((1 + 1) * 1 + 1) * 1 + 1
(1 + 1) * (1 + 1) * (1 + 1)
(1 + 1) * (1 + 1 * 1 + 1)


2 * 2 + 3 * 3 + 4 * 4 =
54
29
61
18


In how many of the following lines are the two columns identical? #45dF$ #45dF$ &RtaVl &RtoVI Ypa$D Ypa$D 6TYO! 6TYO!
3
4
1
2


4 * 3 + 12 ÷ 3 =
19
16
20
8


solve for x: x(4 + z + 10) + 12 = y
x = y + 26z
x = 26yz
x = (y - 12) / (4 + z + 10)
x = y + 12 / 14z


1 + 5 * 3 ÷ 15 =
1.3
18/15
2
1


Complete the series: 4, 3, 8, 6, 16, ...
12
16
10
14


Where should parentheses be added to make the following expression true? 1 + 1 + 1 * 2 + 3 + 1 = 10
(1 + 1 + 1) * (2 + 3) + 1
(1 + 1 + 1) * (2 + 3 + 1)
(1 + 1 + 1) * 2 + 3 + 1
(1 + 1) + (1 * 2) + (3 + 1)


Where should parentheses be added to make the following expression true? 100 ÷ 25 - 5 + 8 = 13
100 ÷ 25 - (5 + 8)
100 ÷ (25 - 5) + 8
(100 ÷ 25) - 5 + 8


(15 * 3) ÷ (55 / 11) =
9
11
6
7


1/4 + 6/8 =
7/12
11/8
3/4
1


True or False? The 2 following strings are identical. 8399cf23b238496b 8399cf23d238496b
False
True


Where should parentheses be added to make the following expression true? 2 ÷ 1 + 1 + 3 ÷ 1 + 1 + 1 = 2
2 ÷ (1 + 1) + 3 ÷ (1 + 1 + 1)
(2 ÷ 1 + 1) + 3 ÷ 1 + 1 + 1
(2 ÷ 1 + 1) + (3 ÷ 1 + 1 + 1)
(2 ÷ 1) + 1 + (3 ÷ 1) + 1 + 1


Where should parentheses be added to make the following expression true? 2 * 1 + 1 + 3 * 1 + 1 + 1 = 11
2 * 1 + (1 + 3) * (1 + 1 + 1)
2 * (1 + 1) + 3 * 1 + 1 + 1
2 * 1 + (1 + 3) * 1 + 1 + 1
2 * (1 + 1) + 3 * (1 + 1) + 1


Where should parentheses be added to make the following expression true? 8 + 2 * 3 + 4 = 22
(8 + 2) * (3 + 4) = 22
(8 + 2) * 3 + 4 = 22
8 + 2 * (3 + 4) = 22


1000 - 2 * 0 + 1 =
1001
1
1002
999


Which entry must be removed so that all lines are identical? 88888888 88888888 8675309 8675309 1001011 1001011 6172876903 6172879603
88888888 88888888
6172876903 6172879603
8675309 8675309
1001011 1001011


1/4 + 1/8 + 2/16 =
3/4
7/16
1/2
5/4


Solve for x: ln(x) + 3 = y
x = e^(y-3)
x = e^y
x = 1/3*ln(y)
x = ln(3) + ln(y)


((7 * 9) - 1) * 2 + 1 =
125
186
189
124


Light A and light B are always in opposite on-off states to each other. Light C is always opposite light A. Light D is only on if both light A and light C are on, otherwise it is off. What can be said about these four lights?
Light C and B will always be on.
Light D will never be on.
Light D and light C will always be on.
Light A will always be on.


Where should parentheses be added to make the following expression true? 1 ÷ 1 + 1 + 1 + 1 ÷ 1 + 1 + 1 + 1 ÷ 1 + 1 + 1 = 1
(1 ÷ 1 + 1) + 1 + (1 ÷ 1 + 1) + 1 + 1 ÷ 1 + 1 + 1
1 ÷ (1 + 1 + 1) + 1 ÷ (1 + 1 + 1) + 1 ÷ (1 + 1 + 1)
1 ÷ (1 + 1) + 1 + 1 ÷ (1 + 1) + 1 + 1 ÷ (1 + 1) + 1
1 ÷ (1 + 1 + 1) + 1 ÷ (1 + 1 + 1) + 1 ÷ (1 + 1) + 1


Simplify: 2a - 6 + 4b - 2a + 2b + 6 + 5
6b + 5
4a + 6b + 17
4a + 6b - 1
6b


Solve for x: y(x - 1) = z
z - y
xy - y
yz + 1
z/y + 1


If @A = A * 3 + 1, what is @6 ?
19
6A + 1
6
18A + 1


Where should parentheses be added to make the following expression true? 24 * 5 ÷ 3 + 17 = 6
(24 * 5 ÷ 3 + 17)
(24 * 5 ÷ 3) + 17
24 * 5 ÷ (3 + 17)
24 * (5 ÷ 3 + 17)


If a**b**c**d** = ad - bc then 3**4**5**6** =
-2
18
-18
30


solve xy(3 + 4) = z + 10 for z
z = 1/12 * xy - 10
z = 17xy
z = 3xy + 4xy + 10xy
z = 7xy - 10


Where should parentheses be added to make the following expression true? 25 + 5 ÷ 3 + 4 ÷ 2 = 12
25 + 5 ÷ 3 + (4 ÷ 2) = 12
(25 + 5) ÷ (3 + 4) ÷ 2 = 12
(25 + 5) ÷ 3 + 4 ÷ 2 = 12
25 + 5 ÷ (3 + 4) ÷ 2 = 12


solve for z: x * z * y + 200 = z + 10
z = 200 + (x * y)^2
z = 210 * (x * y)
z = - 190 / (x * y - 1)
z = 210 * 1 / (x - y)


geaty means run geated means running geato means ran Which word could me "flying"?
cleato
cleaty
clated
clary


Which equation is equivalent to: 3(5 - x) + 4x
5 - 12x
15 - x
15 + x
15 - 5x


Where should parentheses be added to make the following expression true? 10 + 10 ÷ 10 + 10 * 3 = 36
10 + (10 ÷ 10) + (10 * 3)
((10 + 10) ÷ 10 + 10) * 3
(10 + 10) ÷ 10 + 10 * 3
((10 + 10) ÷ 10) + (10 * 3)


If g(x) = 2x + 2, then g(x - 6) =
2x - 10
4x + 10
2x + 12
2x + 10


If B(a) = a + d, then B(d) =
2d
Ba + Bd
a + 2d
a + d


If #(x) = x^(x+2), then #(#1) = ?
1
x^(x+2)
4x
3x^(x+3)


if g(x) = x % 2, and g(20) = 0, then g(23) = ?
20
1
20
2


1/2+1/3+1/4=
1
14/12
13/14
13/12


20/40 + 40/20 =
3/2
5/2
7/2
2/3


In how many of the following lines are the two numbers exactly the same? 535210867 53520867 4279183 4279183 2338594 2338594 754311 754311 698321 698321
5
3
2
4


If A represents 10, B represents 30, and C represents 20; which of the following is true?
B ÷ A + 17 = C
Three times A is greater than B.
A is A times larger than B.
A is less than B but greater than C.


Where should parentheses be added to make the following expression true? 100 ÷ 20 - 10 + 8 * 6 + 1 = 66
100 ÷ 20 - (10 + 8) * 6 +1 = 66
(100 ÷ 20) - 10 + 8 * (6 + 1) = 66
100 ÷ (20 - 10) + 8 * (6 + 1) = 66
(100 ÷ 20) - 10 + 8 * 6 + 1 = 66


If apple is coded as: 12234, then pale would be coded as:
2134
3124
2143
21341


65 - 7 * 3 + 12 =
56
23
98
32


Given the following, what comes next in the sequence? 4, 16, 36, 64, 100, ...
196
164
144
104


Add parentheses to make the following expression true: 18 ÷ 12 * 2 ÷ 12 * 3 = 27
18 ÷ (12 * 2 ÷ 12) * 3 = 27
18 ÷ 12 * 2 ÷ (12 * 3) = 27
((18 ÷ 12) * (2 ÷ 12)) * 3 = 27
18 ÷ (12 * 2) ÷ 12 * 3 = 27


solve for x: x(3+4)*x(4+5) = y - 2
x = y^2 + 27
x = y + 1/31
x = y - 2 / 63
x = SQRT((y-2)/63)


Which character should you remove to make each line equivalent? 4739572j 473957j 089@21 0892@1 1433903 1433903
2
5
@
7


In how many of the four lines below does a number appear more than once without being the first or last number on the line? 23345 11256 56798 89878
3
4
1
2


What comes next in the following sequence? 2, 7, 14, 23, 34, 47 ...
49
79
62
3


Event A and event B take a variable amount of time to complete. Event A and event B can both start before the other completes. If event A can not complete until event B completes and event B can not complete until event A completes, which of these statements are true?
The event that starts later will complete first.
It's possible for event A and event B to never complete.
Event A and B will both take the same amount of time to complete.
Both events will always complete at the exact same time.


New products in a company are assigned a code using a set of rules: - only the digits 0-5 can be used - the second digit must be twice the first digit and can not be 0 - the last digit must be twice the second digit which of the following statements is true?
The last digit is always 5
The first digit is always 0
The second digit is always 2
Nothing can be assumed about the code


Solve for x: 3x/4 = 9 + 4x
35/3
-36/13
-3
3


Are the lines for the following pair of equations parallel, perpendicular or neither? 5x - 2y = 4 and 2y = 5x -10
Neither
Perpendicular
Parallel


Light A is only on if light B is also on. Light C is always off when Light B is on. Light D is always off when light A is on. Light D is currently on. What can be currently said about the state of lights?
Only that light D is currently on.
Light C is off
Lights A and B are off
Light C is on and Lights A and B are off


If $(A) = A (A + 1), then $($2) =
26
6
12
42


If &7 = 28 , then which of the following could be &x ?
x + 5 * 3 - 5
(x + 4) * 3 - 5
x + 7
x + 28


If alphabet is coded as: lahpbate, then computer would be coded as:
ocpmture
ocmpetr
locpmture
opcmture


My father is twice as old as I will be ten years from now and three times as old as I am today. How old am I?
20
30
15
60


At the end of a banquet 10 people shake hands with each other. How many handshakes will there be in total?
100
50
45
20


Wayne is double the age of Fernando and one third as old as Didier who will be 48 years old in 6 years. How old is Fernando?
7
8
10
9


True or false? The following argument is valid. no parrots are eagles no eagles are pelicans / no parrots are pelicans
True
False


In how many of the nine words below is there a letter that appears more than once in the word and is not the first or the last letter of the word? barnyard outside interest doubled unbelievable indicate acceptable function indeterminate
5
4
3
2


A high school diploma is necessary to be a high school coach. Further, no one with a felony conviction can be a high school coach. Thus, Joe, a writer with both a high school diploma and a bachelor's degree, can't be a high school coach, since he has a felony conviction. The argument's conclusion follows logically if which one of the following is assumed?
Joe's felony conviction is relevant to the duties of high school coaching.
Only people eligible for the coaching position are accepted.
Joe would become a high school coach if he didn't have a felony conviction.
Joe was an athlete in high school.


If x = 3, then x^(x^(3-x))=
27
1
0
3
81


if f(x) = 5 + 9x, at f(10) what is the y-intercept?
95
5
0
-5

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