Railways Exam  >  Railways Questions  >  The two sequences 1,4,16,64,......and 5,20,80... Start Learning for Free
The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:
1,5,4,20,16,80,64,320,.....
Then the number immediately preceding the number 1048576 is the new sequence is
  • a)
    20480
  • b)
    1310720
  • c)
    130720
  • d)
    262144
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to ...
In the series, there are numbers ending with a 0 and ones not ending with a 0. For numbers not ending with a 0, the number before is 5/4 of the number. So, The number to come before 1048576 in the series is 1048576 x 5/4 = 1310720
View all questions of this test
Most Upvoted Answer
The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to ...
Explanation:

Given Sequences:
- First sequence: 1, 4, 16, 64, .....
- Second sequence: 5, 20, 80, 320, .....

Formation of New Sequence:
- New sequence formed by alternating numbers from the given sequences: 1, 5, 4, 20, 16, 80, 64, 320, ......

Finding the Number Preceding 1048576:
- To find the number immediately preceding 1048576 in the new sequence, we need to continue the pattern.
- The next number in the sequence would be 1048576 x 5 = 5242880.
- Therefore, the number immediately preceding 1048576 is 524288.

Identifying the Correct Answer:
- Among the options, the number 1310720 is the one that comes right before 1048576 in the new sequence.
Therefore, the correct answer is option B. 1310720.
Explore Courses for Railways exam

Similar Railways Doubts

The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer?
Question Description
The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer?.
Solutions for The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Railways. Download more important topics, notes, lectures and mock test series for Railways Exam by signing up for free.
Here you can find the meaning of The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer?, a detailed solution for The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The two sequences 1,4,16,64,......and 5,20,80,320,....... are used to form a new sequence as follows:1,5,4,20,16,80,64,320,.....Then the number immediately preceding the number 1048576 is the new sequence isa)20480b)1310720c)130720d)262144Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Railways tests.
Explore Courses for Railways exam

Top Courses for Railways

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev