Question

How many 4s are there preceed 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 a.3 b.4 c.5 d.6​

Answer 1

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The statement says how many 4's are there ?Preceded by 7 but not followed by 35 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?In above sequence the 4′s, which are preceded by 7 but not followed by 3, have been highlighted in bold. These are as below:7 4 27 4 67 4 17 4 6The above indicate that there are only four such occasions in the sequence, when 4’s is preceded by 7 and not followed by 3.There is one occasion, where 4 is preceded by 7 but it is followed by 3, has been left out.

Answer 2

Answer:

a) 3

Step-by-step explanation:

4's proceeded by 7:

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

4's followed by 3 and proceeded by 7:

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

Therefore, 4's proceeded 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

Answer = a) 3

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