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How many 4's are there preceded by 7 but...

How many 4's are there preceded by 7 but not followed by 3?
5 9 3 2 1 7 4 2 6 9 7 4 6 1 3 2 8 7 4 1 3 8 3 2 5 6 7 4 3 9 5 8 2 0 1 8 7 4 6 3

A

Three

B

Four

C

Five

D

Six

Text Solution

Verified by Experts

The correct Answer is:
B
The given number series is as follows:

Therefore, total number of such 4s = Four.
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LUCENT PUBLICATION-NUMBER PROBLEMS -Exercise (Type-I: Counting of Digits in the Sequence)
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  2. How many such 6s are there in the following number series, each of whi...

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  3. How many 4's are there preceded by 7 but not followed by 3? 5 9 3 2 ...

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  4. How many 7'immediately preceded by 6 but not immediately followed by ...

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  5. In the following series, how many such odd numbers are there which are...

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  6. In the series given below count the number of 9s. each of which is not...

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  7. How many such 5s are there in the following number series each one of ...

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  8. In the following series of digits how many even number are immediately...

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  9. In the following series, how many such odd numbers are there which are...

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  10. In the following number sequence, how many such even numbers are there...

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  11. Count each 2 in the following sequence of numbers that is immediately ...

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  12. How many digits are there in the following sequence which are either i...

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  13. In the following number series, how many 6s are there which are immedi...

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  14. In the series," 6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 6" h...

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  15. In the series, how many pairs of alternate numbers have a difference ...

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  16. In the following number series, how many even numbers are there, which...

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  17. How many 3s are there in the following sequence such that the sum of t...

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  18. In a school, the following codes were used during physical exercise pe...

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  19. In the following sequence of instructions, 1 stands for Run, 2 stands ...

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