Logical Reasoning

Sequence & Series

Medium

Find out the wrong number in the sequence:

40960, 10240, 2560, 640, 200, 40, 10

640

200

2560

✅ Correct Option: 3

Each term is obtained by dividing the previous term by 4: $40960/4 = 10240$ , $10240/4 = 2560$ , $2560/4 = 640$ , $640/4 = 160$ (not 200), $160/4 = 40$ , $40/4 = 10$ . So 200 is the wrong number; it should be 160.

2023: 21 May Shift 1

Find the next term in the alpha-numeric series D4T, F9R, H20P, J43N.

2025: 23 May Shift 1

Find the missing number in the following diagram:

2026: 30 May Shift 2

Which of the following list of numbers is/are an Arithmetic Progression?

(A) -2, 2, -2, 2, -2, ...

(B) 1, -1, -3, -5, ...

(D) 20, 17, 14, 11, ...

Choose the correct answer from the options given below:

2026: 29 May Shift 1

In given of the following question, find the term which does not fit into the series :

1CV, 5FU, 9IT, 13LS, 17PQ

2022: 20 Aug Shift 1

Complete the series :

7, 11, 13, 17, 19, ......

2026: 25 May Shift 2

A series of letters and numbers is given, the terms of which follow certain definite pattern in groups. However, some terms in the series are missing. Choose the correct sequence from the options.

Z 24 _ Y _ B _ 18 C W 15 _

(A) X

(B) D

(D) A

Choose the correct answer from the options given below:

Find out the wrong number in the sequence: 40960, 10240, 2560, 640, 200, 40, 10

Solution

Related questions:

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CUET General Test Past Year Questions (Topic-Wise)

Find out the wrong number in the sequence:

40960, 10240, 2560, 640, 200, 40, 10