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26. Find out the wrong number in the given sequence of numbers.: 105, 85, 60, 30, 0, -45, -90

[A]. 0

[B]. 85

[C]. -45

[D]. 60

✅ The correct answer is option A.
Subtract 20, 25, 30, 35, 40, 45 from successive numbers.
So, 0 is wrong.

29. Find out the wrong number in the series.: 3, 7, 15, 39, 63, 127, 255, 511

[A]. 7

[B]. 15

[C]. 39

[D]. 63

✅ The correct answer is option C.
Go on multiplying 2 and adding 1 to get the next number.
So, 39 is wrong.

32. Find the odd man out.: 3, 5, 7, 12, 17, 19

[A]. 19

[B]. 17

[C]. 5

[D]. 12

✅ The correct answer is option D.
Each of the numbers is a prime number except 12.

35. Find the odd man out.: 835, 734, 642, 751, 853, 981, 532

[A]. 751

[B]. 853

[C]. 981

[D]. 532

✅ The correct answer is option A.
In each number except 751, the difference of third and first digit is the middle one.

38. Find out the wrong number in the given sequence of numbers.: 25, 36, 49, 81, 121, 169, 225

[A]. 36

[B]. 49

[C]. 121

[D]. 169

✅ The correct answer is option A.
The numbers are squares of odd natural numbers, starting from 5 up to 15.
So, 36 is wrong.

41. Find the odd man out.: 10, 14, 16, 18, 21, 24, 26

[A]. 26

[B]. 24

[C]. 21

[D]. 18

✅ The correct answer is option C.
Each of the numbers except 21 is an even number.

44. Find out the wrong number in the given sequence of numbers.: 8, 13, 21, 32, 47, 63, 83

[A]. 47

[B]. 63

[C]. 32

[D]. 83

✅ The correct answer is option A.
Go on adding 5, 8, 11, 14, 17, 20.
So, the number 47 is wrong and must be replaced by 46.

1. Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:

[A].173 m

[B]. 200 m

[C]. 273 m

[D]. 300 m

✅ The correct answer is option .

2. A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man’s eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60°. What is the distance between the base of the tower and the point P?

[A]. 43 units

[B]. 8 units

[C]. 12 units

[D]. Data inadequate

✅ The correct answer is option .

3. The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:

[A]. 2.3 m

[B].4.6 m

[C]. 7.8 m

[D]. 9.2 m

✅ The correct answer is option .

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