Aptitude Test Questions 9

31. Complete the series. 3, 8, --, 24, --, 48, 63  ANS: 15,35

32. Complete the series. 4, -5, 11, -14, 22, ---  ANS: -27

33. A, B and C are 8 bit no?s. They are as follows:

A 1 1 0 1 1 0 1 1

B 0 1 1 1 1 0 1 0

C 0 1 1 0 1 1 0 1

Find ( (A-B) u C )=?

Hint :

A-B is {A} - {A n B}

ANS: 0 1 1 1 1 1 1 1 (DB)

34. A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the

local time of destination when the flight reaches there?        ANS: 1:00 P.M

35. A can copy 50 papers in 10 hours while both A & B can copy 70 papers in 10 hours. Then for how many hours required for B to copy 26 papers?  ANS: 13

36. A is twice efficient than B. A and B can both work together to complete a work in 7 days. Then find in how many days A alone can complete the work? ANS: 10.5 DAYS(11)

37. A finish the work in 10 days. B is 60% efficient than A. So hoW days does B take to finish the work?ANS : 4DAYS.

38. A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A?s work?  ANS : 3.2 DAYS(4)

39. Given the length of the 3 sides of a triangle. Find the one that is

impossible? (HINT : sum of smaller 2 sides is greater than the other one which is larger)

40. Find the singularity matrix from a given set of matrices?(Hint det(A)==0)

41. A 2D array is declared as A[9,7] and each element requires 2 byte.If A[ 1,1

] is stored in 3000. Find the memory of A[8,5] ? ANS: 3106.

42. Sum of slopes of 2 perpendicular st. lines is given. Find the pair of lines from the given set of options which satisfy the above condition?

43. (a) 2+3i (b)1+i (c) 3-2i (d) 1-7i .Find

which of the above is orthogonal.

ANS : (A) & (C).

44. (Momentum*Velocity)/(Acceleration * distance ) find units. ANS:MASS

45. The number 362 in decimal system is given by (1362)x in the X system of numbers find the value of X a}5 b) 6 c) 7 d) 8 e) 9

46. Given $ means Tripling and % means change of sign then find the value of $%$6-%$%6

ANS : -72

47. My flight takes of at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed.

a) 6:00 am b) 6:40am c)7:40 d)7:00 e)8:00 (Hint : Every 1 deg longitude is equal to 4 minutes . If west to east add time else subtract time) ANS: (E) 8:00

48. Find the highest prime number that can be stored in an 8bit computer.

49. Which of the following set of numbers has the highest Standard  deviation?

1,0,1,0,1,0

-1,-1,-1,-1,-1,-1

1,1,1,1,1,1

1,1,0,-1,0,-1

50. Match the following:

1. Male - Boy --->

a. A type of

2. Square - Polygon --->

b. A part of

3. Roof - Building --->

c. Not a

type of

4. Mushroom - Vegetables ---> d.

A superset of

Ans: 1- d, 2- a, 3- b, 4- c