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# Test answers for Technical Aptitude 2020

(100) Last updated: February 28
Elance • IT & Programming
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## 100 Answered Test Questions:

`1. Complete the series: 5, 10, 15, …`

Answers:

• 20

• 30

• 23

• 25

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

Answers:

• 24 * 5 ÷ (3 + 17)

• (24 * 5 ÷ 3 + 17)

• (24 * 5 ÷ 3) + 17

• 24 * (5 ÷ 3 + 17)

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

Answers:

• (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

`4. solve xy(3 + 4) = z + 10 for z`

Answers:

• z = 17xy

• z = 3xy + 4xy + 10xy

• z = 7xy - 10

• z = 1/12 * xy - 10

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

Answers:

• False

• True

`6. geaty means run geated means running geato means ran  Which word could me "flying"?`

Answers:

• cleaty

• clary

• clated

• cleato

`7. ((7 * 9) - 1) * 2 + 1 =`

Answers:

• 189

• 124

• 186

• 125

`8. Where should parentheses be added to make the following expression true? 2 * 1 + 1 + 3 * 1 + 1 + 1 = 11`

Answers:

• 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

`9. 1000 - 2 * 0 + 1 =`

Answers:

• 999

• 1

• 1001

• 1002

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

Answers:

• 8 + 2 * (3 + 4) = 22

• (8 + 2) * (3 + 4) = 22

• (8 + 2) * 3 + 4 = 22

`11. 4 * 3 + 12 ÷ 3 =`

Answers:

• 20

• 8

• 16

• 19

`12. 2 * 2 + 3 * 3 + 4 * 4 =`

Answers:

• 29

• 18

• 61

• 54

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

Answers:

• 451190 451190

• 40184 40184

• 675032 675023

• 120481 120481

`14. Where should parentheses be added to make the following expression true? 1 + 1 + 1 * 2 + 3 + 1 = 10`

Answers:

• (1 + 1 + 1) * (2 + 3) + 1

• (1 + 1) + (1 * 2) + (3 + 1)

• (1 + 1 + 1) * 2 + 3 + 1

• (1 + 1 + 1) * (2 + 3 + 1)

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

Answers:

• True

• False

`16. Solve for x:  16 + 2x = 10x`

Answers:

• 3/2

• 16

• 8

• 2

`17. In how many of the following lines are the two columns identical?  #45dF\$     #45dF\$  &RtaVl     &RtoVI  Ypa\$D     Ypa\$D  6TYO!     6TYO!`

Answers:

• 2

• 1

• 3

• 4

`18. Where should parentheses be added to make the following expression true? 1 + 1 * 1 + 1 * 1 + 1 = 8`

Answers:

• ((1 + 1) * 1 + 1) * 1 + 1

• (1 + 1 * 1) + (1 * 1 + 1)

• (1 + 1) * (1 + 1 * 1 + 1)

• (1 + 1) * (1 + 1) * (1 + 1)

`19. Complete the series: 4, 3, 8, 6, 16, ...`

Answers:

• 16

• 14

• 12

• 10

`20. In how many of the following lines are the two numbers exactly the same?  852390     852390  123457     1234567  23456       23456`

Answers:

• 3

• 2

• 0

• 1

`21. What is the next number in the sequence? 1000 1001 1010 1011 1100 ...`

Answers:

• 1010

• 1111

• 1101

• 11

`22. Find the value of x:   8x + 3 = 27`

Answers:

• 4

• 3

• 80

• 10

`23. 2 + 3 * 4 + 5 * 2 =`

Answers:

• 50

• 24

• 90

• 58

`24. 3 * 3 * 3 + 3 * 3 =`

Answers:

• 279

• 36

• 243

• 15

`25. Start the series: …, 20, 15, 10, 5`

Answers:

• 25

• 17

• 0

• 30

`26. What comes next in the following sequence? 1, 5, 2, 10, 3, 15 ...`

Answers:

• 15

• 11

• 21

• 4

`27. Luke is faster than Joe Joe is faster than Jim  If the first two statements are true, which is also a true?`

Answers:

• Can’t be certain if Luke or Jim is faster

• Jim is faster than Luke

• Luke is faster than Jim

`28. Add parentheses to make the following expression true:  3 * 5 + 7 - 3 = 33`

Answers:

• 3 * 5 + 7 - 3 = 33

• 3 * 5 + (7 - 3) = 33

• 3 * (5 + 7) - 3 = 33

• (3 * 5) + 7 - 3 = 33

`29. If a = 2, b = 1 and c = 4,   find ab/cb.`

Answers:

• 1/2

• 2/5

• 3/5

• 2

`30. What are the next numbers in this sequence? 9, 18, 27, 36, 45, 54, 63`

Answers:

• 71, 80, 90

• 72, 80, 89

• 73, 82, 91

• 72, 81, 90

`31. If a = 2 x 5 and b = 5 x 10 then b ÷ a =`

Answers:

• 5

• 15

• 1/2

• 10

`32. What is the last digit of the product of 106 x 106 x 106?`

Answers:

• 0

• 4

• 6

• 1

`33. In how many of the following lines are the two numbers identical?  45539    45539  32890    32890  8334      8334`

Answers:

• 1

• 0

• 3

• 2

`34. Where should parentheses be added to make the following expression true? 5 ÷ 1 + 1 + 1 + 1 + 1 = 1`

Answers:

• (5 ÷ 1) + (1 + 1) + (1 + 1)

• 5 ÷ (1 + 1 + 1 + 1 + 1)

• (5 ÷ 1 + 1 + 1) + (1 + 1)

• (5 ÷ 1) + 1 + 1 + 1 + 1

`35. Complete the series: -12, -8, -4, 0, ...`

Answers:

• 0

• 4

• -2

• -3

`36. What number comes next? 2, 1, (1/2), (1/4), ...`

Answers:

• 1/8

• 1/16

• 2/8

• 1/3

`37. Solve for y when x = 4:   y = 5x`

Answers:

• 4/5

• 5/4

• 20

• 9

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

Answers:

• yellow

• banana

• red

• blue

`39. Which of the following matches the string:  t9zk6eay`

Answers:

• t9zk6eay

• t9zk6ea

• t9zk6easy

• t9xk6eiay

`40. What's next in the sequence? AW AX AY AZ BA ...`

Answers:

• AA

• 1A

• ZA

• BB

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

Answers:

• True

• False

`42. Complete the series: a, bb, ccc, ...`

Answers:

• ddddd

• abcd

• dddd

• cccc

`43. Complete the series: a, ab, abc,...`

Answers:

• abdc

• acdb

• aabb

• abcd

`44. Complete the series: 1, 2, 4, 8, 16, 32, ...`

Answers:

• 64

• 42

• 23

• 60

`45. What number comes next in the following sequence? 128, 256, 512, 1024 ...`

Answers:

• 2048

• 4096

• 8192

• 1025

`46. solve for x: x(4 + z + 10) + 12 = y`

Answers:

• x = y + 12 / 14z

• x = (y - 12) / (4 + z + 10)

• x = 26yz

• x = y + 26z

`47. (15 * 3) ÷ (55 / 11) =`

Answers:

• 9

• 6

• 11

• 7

`48. 1/4 + 6/8 =`

Answers:

• 3/4

• 7/12

• 1

• 11/8

`49. 1 + 5 * 3 ÷ 15 =`

Answers:

• 1.3

• 1

• 18/15

• 2

`50. Where should parentheses be added to make the following expression true? 2 ÷ 1 + 1 + 3 ÷ 1 + 1 + 1 = 2`

Answers:

• (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)

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

Answers:

• 3 * 25 + (8 - 3) * (8 - 3)

• 3 * (25 + 8) - 3 * 8 - 3

• 3 * 25 + (8 - 3 * 8 - 3)

• 3 * (25 + 8 - 3) * 8 - 3

`52. Which character should you remove to make the two lines identical?  h609LP  h6092LP`

Answers:

• L

• h

• P

• 2

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

Answers:

• 100 ÷ (25 - 5) + 8

• 100 ÷ 25 - (5 + 8)

• (100 ÷ 25) - 5 + 8

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

Answers:

• 6172876903 6172879603

• 8675309 8675309

• 88888888 88888888

• 1001011 1001011

`55. Solve for x: ln(x) + 3 = y`

Answers:

• x = e^y

• x = e^(y-3)

• x = ln(3) + ln(y)

• x = 1/3*ln(y)

`56. 1/4 + 1/8 + 2/16 =`

Answers:

• 1/2

• 7/16

• 3/4

• 5/4

`57. 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?`

Answers:

• Light D and light C will always be on.

• Light A will always be on.

• Light C and B will always be on.

• Light D will never be on.

`58. Where should parentheses be added to make the following expression true? 1 ÷ 1 + 1 + 1 + 1 ÷ 1 + 1 + 1 + 1 ÷ 1 + 1 + 1 = 1`

Answers:

• (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

`59. What is the value of x: 20 = e^x`

Answers:

• ln(20)

• sqrt(20)

• 2.73

• 20 / x

`60. If @A = A * 3 + 1, what is @6 ?`

Answers:

• 6A + 1

• 19

• 6

• 18A + 1

`61. Simplify:  2a - 6 + 4b - 2a + 2b + 6 + 5`

Answers:

• 4a + 6b - 1

• 6b + 5

• 6b

• 4a + 6b + 17

`62. Where should parentheses be added to make the following expression true? 10 + 10 ÷ 10 + 10 * 3 = 36`

Answers:

• (10 + 10) ÷ 10 + 10 * 3

• ((10 + 10) ÷ 10 + 10) * 3

• ((10 + 10) ÷ 10) + (10 * 3)

• 10 + (10 ÷ 10) + (10 * 3)

`63. Solve for x:  y(x - 1) = z`

Answers:

• yz + 1

• z/y + 1

• z - y

• xy - y

`64. If #(x) = x^(x+2), then #(#1) = ?`

Answers:

• 3x^(x+3)

• x^(x+2)

• 1

• 4x

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

Answers:

• (25 + 5) ÷ 3 + 4 ÷ 2 = 12

• (25 + 5) ÷ (3 + 4) ÷ 2 = 12

• 25 + 5 ÷ (3 + 4) ÷ 2 = 12

• 25 + 5 ÷ 3 + (4 ÷ 2) = 12

`66. Which equation is equivalent to: 3(5 - x) + 4x`

Answers:

• 5 - 12x

• 15 + x

• 15 - 5x

• 15 - x

`67. 1/2+1/3+1/4=`

Answers:

• 14/12

• 1

• 13/12

• 13/14

`68. solve for z: x * z * y + 200 = z + 10`

Answers:

• z = 210 * 1 / (x - y)

• z = 200 + (x * y)^2

• z = - 190 / (x * y - 1)

• z = 210 * (x * y)

`69. If a**b**c**d** = ad - bc then 3**4**5**6** =`

Answers:

• -18

• 30

• -2

• 18

`70. If B(a) = a + d, then B(d) =`

Answers:

• Ba + Bd

• a + d

• a + 2d

• 2d

`71. If g(x) = 2x + 2, then g(x - 6) =`

Answers:

• 2x + 10

• 2x - 10

• 4x + 10

• 2x + 12

`72. In how many of the following lines are the two numbers exactly the same?  535210867   53520867  4279183      4279183  2338594      2338594  754311        754311  698321        698321`

Answers:

• 3

• 2

• 5

• 4

`73. 20/40 + 40/20 =`

Answers:

• 7/2

• 2/3

• 5/2

• 3/2

`74. If A represents 10, B represents 30, and C represents 20; which of the following is true?`

Answers:

• A is less than B but greater than C.

• B ÷ A + 17 = C

• A is A times larger than B.

• Three times A is greater than B.

`75. Given the following, what comes next in the sequence? 4, 16, 36, 64, 100, ...`

Answers:

• 144

• 164

• 196

• 104

`76. 65 - 7 * 3 + 12 =`

Answers:

• 56

• 23

• 32

• 98

`77. if g(x) = x % 2, and g(20) = 0, then g(23) = ?`

Answers:

• 20

• 1

• 2

• 20

`78. Add parentheses to make the following expression true:  18 ÷ 12 * 2 ÷ 12 * 3 = 27`

Answers:

• 18 ÷ (12 * 2) ÷ 12 * 3 = 27

• 18 ÷ 12 * 2 ÷ (12 * 3) = 27

• ((18 ÷ 12) * (2 ÷ 12)) * 3 = 27

• 18 ÷ (12 * 2 ÷ 12) * 3 = 27

`79. If apple is coded as: 12234, then pale would be coded as:`

Answers:

• 2143

• 3124

• 2134

• 21341

`80. Which character should you remove to make each line equivalent?  4739572j    473957j  089@21     0892@1  1433903    1433903`

Answers:

• 5

• 2

• @

• 7

`81. 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`

Answers:

• 2

• 4

• 1

• 3

`82. solve for x: x(3+4)*x(4+5) = y - 2`

Answers:

• x = y - 2 / 63

• x = y + 1/31

• x = SQRT((y-2)/63)

• x = y^2 + 27

`83. What comes next in the following sequence? 2, 7, 14, 23, 34, 47 ...`

Answers:

• 3

• 79

• 62

• 49

`84. 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?`

Answers:

• 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.

`85. 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?`

Answers:

• Nothing can be assumed about the code

• The second digit is always 2

• The last digit is always 5

• The first digit is always 0

`86. Are the lines for the following pair of equations parrallel, perpendicular or neither?  5x - 2y = 4 and 2y = 5x -10`

Answers:

• Perpendicular

• Parrallel

• Neither

`87. 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?`

Answers:

• Light C is off

• Light C is on and Lights A and B are off

• Only that light D is currently on.

• Lights A and B are off

`88. 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?`

Answers:

• 60

• 15

• 20

• 30

`89. If &7 = 28 ,  then which of the following could be &x ?`

Answers:

• x + 7

• x + 5 * 3 - 5

• x + 28

• (x + 4) * 3 - 5

`90. If alphabet is coded as: lahpbate, then computer would be coded as:`

Answers:

• ocmpetr

• opcmture

• locpmture

• ocpmture

`91. Solve for x: 3x/4 = 9 + 4x`

Answers:

• 35/3

• 3

• -3

• -36/13

`92. If \$(A) = A (A + 1), then \$(\$2) =`

Answers:

• 42

• 6

• 26

• 12

`93. 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?`

Answers:

• 7

• 9

• 8

• 10

`94. At the end of a banquet 10 people shake hands with each other. How many handshakes will there be in total?`

Answers:

• 45

• 50

• 20

• 100

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

Answers:

• False

• True

`96. 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?`

Answers:

• Joe was an athlete in high school.

• Joe would become a high school coach if he didn't have a felony conviction.

• Joe's felony conviction is relevant to the duties of high school coaching.

• Only people eligible for the coaching position are accepted.

`97. 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`

Answers:

• 4

• 2

• 5

• 3

`98. if f(x) = 5 + 9x, at f(10) what is the y-intercept?`

Answers:

• 0

• -5

• 5

• 95

`99. If x = 3, then x^3(x^3-x)=`

Answers:

• 999

• 666

• 300

• 450

`100. In how many of the following lines do the two columns share at least one common character?  abefdty  lkhqwety  trhghlp   uiashot  rlpkjaf    ytreqws  hfrtay     jtrypq  ryqwsdf ghtrvpo`

Answers:

• 4

• 3

• 2

• 1