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If in the number '7328856145' 2 is added to the odd numbers and 2 is subtracted from the even numbers, then find how many numbers are repeated more than once?

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  1. One
  2. Two
  3. Three
  4. Four
  5. Five

Answer (Detailed Solution Below)

Option 2 : Two
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Detailed Solution

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Given:  7328856145

Numbers

7

3

2

8

8

5

6

1

4

5

Odd(O)/Even(E)

O

O

E

E

E

0

E

O

E

O

+2 if odd, -2 if even

+2

+2

-2

-2

-2

+2

-2

+2

-2

+2

Rearrangement

9

5

0

6

6

7

4

3

2

7

Here the repeated numbers are 6,7.

Thus, two numbers are repeated.

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More Number Arrangement Questions

Q1.How many even numbers are there in the sequence which are immediately followed by an odd number? 4 6 7 8 3 3 4 5 7 6 8 9 2 7 9 1 3 5 2
Q2.How many such 9s are there in the following number sequence which are immediately preceded by 5? 7 9 6 9 5 9 8 4 7 9 5 7 4 5 9 2 3 7 9 1 2 7 5 9 7 7
Q3.Refer to the following series and answer the question (all numbers are single digit numbers only). (Left) 6 2 1 3 7 6 9 7 4 3 5 2 3 4 3 4 2 3 1 5 7 9 5 8 5 7 5 (Right) How many such even digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
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Q5.This question is based on the five, three-digit numbers given below. (Left) 842 234 371 723 463 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the third digit of the highest number is added to the second digit of the lowest number?
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Q7.Answer the question given keeping in mind the sequence given below. The numbering should be from left to right only. (All numbers are single-digit numbers)  (Left) 2 2 8 5 0 7 9 7 9 7 2 4 2 9 4 3 0 0 3 7 8 7 8 5 5 1 8 1 0 (Right) How many such even digits are there, each of which is immediately preceded by an odd digit and immediately followed by an odd digit?
Q8.This question is based on the five, three-digit numbers given below. (Left) 164 253 927 834 519 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) NOTE: All operations to be done from left to right. If 2 is added to second digit of every number, in how many numbers will the second digit be exactly divisible by the first digit?
Q9.This question is based on the five, three-digit numbers given below. (Left) 354 756 423 635 679 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) If 2 is added to the first digit of every number, in how many numbers will the first digit be exactly divisible by the second digit? 
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Q1.If it is possible to make only one four-letter meaningful word with the first, third, fourth, and eighth letter of the word ‘ABNORMALITY’, which could be the second letter of the word from the left end? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as your answer.
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Q4.If the first half of the word AUTOMOBILE is reversed, which of the following will be the fourth to the right of the third letter from the left end? 
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Q9.Suppose the first and the second letters of the word INCOMPREHENSIBLE changed places, also the third and the fourth, the fifth and the sixth, and so on. In the new word, thus formed, which letter would be 10th from the left?
Q10.Refer to the following number, symbol series and answer the question. Counting to be done from left to right only.   (Left) # % 5 4 3 2 1 @ % * # * 6 § 9 8 % $ 1 5 6 4 2 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by another symbol?
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Q1.If it is possible to make only one four-letter meaningful word with the first, third, fourth, and eighth letter of the word ‘ABNORMALITY’, which could be the second letter of the word from the left end? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as your answer.
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Q4.Find the next number in the series. 6, 12, 18, 36, 54, 108, ?
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Q6.Find the odd image out in the given series.
Q7.How many squares are there in the given figure?
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Q10.A girl is facing North direction. If she turns 59 degrees in clockwise direction and 31 degrees in the same direction, which direction will she face now?
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