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Count each 2 in the following sequence o...

Count each 2 in the following sequence of numbers that is immediately followed by 5, if 5 is not immediately followed by 7. How many such 2s are there?
`"2 5 3 2 7 6 5 1 4 2 5 2 6 2 5 9 1 2 5 7 2 5 2 4 9 2 5 8 2 5 7 2"`

A

Eleven

B

Seven

C

Nine

D

five

Text Solution

Verified by Experts

The correct Answer is:
D
The given sequence of number is as follows:


So, total number of such 2s Six
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LUCENT PUBLICATION-NUMBER PROBLEMS -Exercise (Type-I: Counting of Digits in the Sequence)
  1. In the following series, how many such odd numbers are there which are...

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

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

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

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

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

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

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

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

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

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

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

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

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  16. 8 9 7 6 5 4 3 4 2 6 8 9 7 2 4 5 9 2 9 7 6 4 7 6 How many 7's are prec...

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  17. Study the number series given below and answer the questions that foll...

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  18. A person is asked to put in a basket one apple when ordered 'One' one ...

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  19. A person is asked to put in a basket one apple when ordered 'One' one ...

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  20. A person is asked to put in a basket one apple when ordered 'One' one ...

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