Elitmus Aptitude Test Paper(Engineering > Elitmus Sample Papers With Answers ) Questions and Answers

Question 1. A man can hit the target once in four shots. If he fires four shots in succession, what is the probability that he will hit the target?
  1.    1
  2.    1/256
  3.    81/256
  4.    175/256
Explanation:-
Answer: Option D. -> 175/256





Question 2. In a locality there are ten houses in a row. On a particular night a thief planned to steal from three houses of locality. In how many ways can he plan such that no two houses are next to each other?
  1.    56
  2.    73
  3.    80
  4.    100
Explanation:-
Answer: Option A. -> 56





Question 3. If N = 82^3 - 62^3 - 203 then N is divisible by:
  1.    31 and 41
  2.    13 and 67
  3.    17 and 7
  4.    none
Explanation:-
Answer: Option A. -> 31 and 41





Question 4. The area bounded by curve y = 4x “ x2 and x “ axis is
  1.    30 / 7 sq. units
  2.    31 / 7sq. units
  3.    32 / 3 sq. units
  4.    34 / 3 sq. units
Explanation:-
Answer: Option C. -> 32 / 3 sq. units





Question 5. A hexagon of side a cm is folded along its edges to obtain another hexagon What is the % decrease in the area aof orignal hexagon ?
  1.    70%
  2.    75%
  3.    80%
  4.    60%
Explanation:-
Answer: Option B. -> 75%





Question 6. Centre of circle whose normals are x2 - 2xy - 3x + 6y = 0 is
  1.    (3 , 3 / 2)
  2.    (3 / 2 , 3)
  3.    (-3 , 3 / 2)
  4.    (-3 , -3 / 2)
Explanation:-
Answer: Option A. -> (3 , 3 / 2)





Question 7. The angle between the tangents drawn from the origin to the parabola y2 = 4a (x “ a) is
  1.    900
  2.    300
  3.    tan-1(½)
  4.    450
Explanation:-
Answer: Option A. -> 900





Question 8. Centre of a circle is (2, 3). If the line x + y = 1 touches, its equation is
  1.    x2 + y2 - 4x - 6y + 4 = 0
  2.    x2 + y2 - 4x - 6y + 5 = 0
  3.    x2 + y2 - 4x - 6y - 5 = 0
  4.    None of these
Explanation:-
Answer: Option B. -> x2 + y2 - 4x - 6y + 5 = 0





Question 9. The centre of a circle passing through the points (0, 0), (1, 0) and touching the circle x2 + y2 = 9 is
  1.    (3 / 2 , 1 / 2)
  2.    (1 / 2 , 3 / 2)
  3.    (1 / 2 , 1 / 2)
  4.    (1 / 2 , -2½)
Explanation:-
Answer: Option D. -> (1 / 2 , -2½)





Question 10. The line y = mx + 1 is a tangent to the parabola y2 = 4x if
  1.    m = 1
  2.    m = 2
  3.    m = 3
  4.    m = 4
Explanation:-
Answer: Option A. -> m = 1