517 325 639 841 792 What | Number, Ranking and Time Sequence Test Questions & Answers

Q:

In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ??

2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

A) 4	B) 5
C) 3	D) More than 5

Answer & Explanation Answer: C) 3

Explanation:

3 1 7 3 7

3 1 7 3 8

7 1 7 3 9

At these places 1, 7, 3 appeared together

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9 2468

Q:

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) Four	B) Three
C) Six	D) Five

Answer & Explanation Answer: A) Four

Explanation:

7 4 2

7 4 6

7 4 1

7 4 6

Only at these placees 4 is preceded by 7 but not followed by 3

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892 96872

Q:

Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers?

1 2 3 4 5 6 7 8 9 2 4 6 8 9 7 5 3 1 9 8 7 6 5 4 3 2 1

A) 3	B) 5
C) 4	D) 7

Answer & Explanation Answer: C) 4

Explanation:

There are 27 numbers in the given sequence

So, middle number = 14th number = 9

Clearly, the third number to the left of this 9 is 4

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18 7382

A) 8	B) 2
C) 7	D) 9

517 325 639 841 792

What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?