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In this series of quizzes, we will be providing most important questions on Alpha-numeric Series which are usually asked in the exams. In Prelims Examination, usually 5-15 questions are asked from this topic. You can also check following topics to practice questions.
Directions:(1-5) Study the following letter/number /symbol sequence and answer the questions following it.
How many symbols are there in the series which are immediately preceded by a number and immediately followed by a letter?
Correct
We have to look for number – symbol-letter sequence in the given series.
Incorrect
We have to look for number – symbol-letter sequence in the given series.
Question 2 of 10
2. Question
If all the symbols are dropped from the series, which letter/number will be eleventh to the left of fifteenth letter/number from you left ?
Correct
11th element to the left of 15th element from the left ⇒ 4th element from the left after dropping all the Six symbols i.e. V.
Incorrect
11th element to the left of 15th element from the left ⇒ 4th element from the left after dropping all the Six symbols i.e. V.
Question 3 of 10
3. Question
If the position of the first and the sixteenth elements, the second and the seventeenth elements, and so on up to the eleventh and the twenty-sixth elements, are interchanged, which letter/number/ symbol will be seventh to the right of nineteenth letter/number/symbol from the right?
Correct
7th to the right of 19th element from the right ⇒ 12th element from the right ⇒ (31-12) = 19th element from the left.
Now, 19th element from the left will be replaced by the fourth element (from the left) in the original series. Hence the required element is ‘U’
Incorrect
7th to the right of 19th element from the right ⇒ 12th element from the right ⇒ (31-12) = 19th element from the left.
Now, 19th element from the left will be replaced by the fourth element (from the left) in the original series. Hence the required element is ‘U’
Question 4 of 10
4. Question
If the positions of the letters in the sequence are reoccupied by the letters themselves though after getting rearranged alphabetically from the left, which of the following will indicate the position of L in the new arrangement?
Correct
After rearranging the letters according to the questions, It is obvious that L is fourteenth element from the left and seventeenth from the right.
Incorrect
After rearranging the letters according to the questions, It is obvious that L is fourteenth element from the left and seventeenth from the right.
Question 5 of 10
5. Question
What is the total number of ‘the numbers immediately followed by a letter’ and ‘the symbols immediately following the letters’ together in the above sequence?
Correct
We have to look for number-letter and letter-symbol sequences.
Incorrect
We have to look for number-letter and letter-symbol sequences.
Question 6 of 10
6. Question
Directions:(6-10) These questions are based on the following arrangement:
D 5 4 I H * $ K E 3 L B @ A R M 1 6 F % J £ 2 7 C G 9
If the position of ten elements from the right end is reversed then which of the following will be the fifth to the right of the thirteenth from the right end?
Correct
5th to the right of 13th element from the right end implies (13-5=) 8th element from the right end in the new series. Thus the required element is C.
Incorrect
5th to the right of 13th element from the right end implies (13-5=) 8th element from the right end in the new series. Thus the required element is C.
Question 7 of 10
7. Question
Four of the following five are alike in a certain way on the basis of their positions in the above arrangement and so form a group. Which is the one that does not belong to the group?
D 5 4 I H * $ K E 3 L B @ A R M 1 6 F % J £ 2 7 C G 9
Correct
In others, except (e) second and third elements of the group occupy adjacent positions in the series.
Incorrect
In others, except (e) second and third elements of the group occupy adjacent positions in the series.
Question 8 of 10
8. Question
How many such consonants are there in the above arrangements each of which is immediately preceded by a vowel and also immediately followed by another consonant?
D 5 4 I H * $ K E 3 L B @ A R M 1 6 F % J £ 2 7 C G 9
Correct
We have to look for vowel – consonant – consonant combination. R is the only such consonant.
Incorrect
We have to look for vowel – consonant – consonant combination. R is the only such consonant.
Question 9 of 10
9. Question
If all the digits are dropped from the above arrangement, which of the following will be the fourth to the left of the seventh from the right end?
D 5 4 I H * $ K E 3 L B @ A R M 1 6 F % J £ 2 7 C G 9
Correct
The fourth to the left of the seventh element from the right end implies (4 + 7 =11) eleventh element from right end. Hence the required element is B.
Incorrect
The fourth to the left of the seventh element from the right end implies (4 + 7 =11) eleventh element from right end. Hence the required element is B.
Question 10 of 10
10. Question
How many such symbols are there in the above arrangement each of which is either immediately followed or immediately preceded by a consonant but not both?
D 5 4 I H * $ K E 3 L B @ A R M 1 6 F % J £ 2 7 C G 9
Correct
We have to find symbol-consonant or consonant-symbol combination but not consonant-symbol-consonant combination in the given sequence. In the given series such symbols are *, $, @ and £.
Incorrect
We have to find symbol-consonant or consonant-symbol combination but not consonant-symbol-consonant combination in the given sequence. In the given series such symbols are *, $, @ and £.
