If in the number sequence 2 3 4 5 6 1 2 3 5 4 6 6 7 8, all the odd numbers are increased by two and all the even numbers are decreased by two, then the new number sequence are arranged in descending order, which will be the fifth digit from the left?

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UP Police SI (दरोगा) Official PYP (Held On: 15 Nov 2021 Shift 2)
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  1. 6
  2. 7
  3. 4
  4. 5

Answer (Detailed Solution Below)

Option 4 : 5
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यूपी पुलिस SI (दरोगा) सामान्य हिंदी मॉक टेस्ट
20 Qs. 50 Marks 10 Mins

Detailed Solution

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Given: 2 3 4 5 6 1 2 3 5 4 6 6 7 8

According to the question:

Given series 2 3 4 5 6 1 2 3 5 4 6 6 7 8

Odd number →  increased by two (+2)

Even Number → decreased by two (-2)

(+2) (+2) (-2) (+2) (-2) (+2) (-2) (+2) (+2) (-2) (-2) (-2) (+2) (-2)
Resultant numbers 4 5 2 7 4 3 0 5 7 2 4 4 9 6
Number arranged in descending order 9 7 7 6 5 5 4 4 4 4 3 2 2 0

Thus, the fifth digit from the left → (Left) 9 7 7 6 5 5 4 4 4 4 3 2 2 0 (Right) → 5

Hence, "Option 4" is the correct answer.

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