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How many pairs of digits are there in the given number, that have as many numbers between them as in the series of natural numbers both in backward and forward direction?
Given number – 87534651
Thus, we get seven pairs,
Forward → (3,4)
Backward → (5,6), (4,7), (4,8), (1,4), (1,7), (1,8), (7,8)
If it is possible to make only one meaningful English word with the second, the fourth, the eight and the ninth letters of the word BUREAUCRAT, which of the following will be the third letter of that word? If no such word can be made give ‘X’ as the answer and if more than one such word can be made give ‘Y’ as the answer.
Given Word: B U R E A U C R A T
2nd letter = U; 4th letter = E; 8th letter = R; 9th letter = A
Letters given: U E R A
Meaningful word can be formed out of the alphabet U, E, R, A:
UREA: a colour less crystalline compound which is the main nitrogenous breakdown product of protein metabolism in mammals and is excreted in urine.
Hence, answer is E which is third letter of UREA.
Given Word
C I V I L I Z E D
Chosen Letters
C V I E
Possible words
VICE
Clearly, there are 9 pairs with same number of letters between them as in the English alphabet.
Given number – 86352876
By replacing the digits as mentioned in the question, we get 75461785
2nd digit from the left end is 5
5th digit from the right end is 6
5 × 6 = 30
Word: MYTHOLOGICAL
Word
M
Y
T
H
O
L
G
I
C
A
After Interchanging
Word formed after interchanging: (left end) LACIGOLOHTYM (right end)
Given number – 78356497
By subtracting 2 from every odd digit, we get 58136475
2nd digit from the left end is 8
4th digit from the right end is 6
8 × 6 = 48
Thus, there are six such pairs.
Hence, option 5 is the correct answer.
If 1 is added to each even digit and 1 is subtracted from each odd digit in the number 624739854, then the sum of digits which is 4th and 5th from right and left respectively ____.
The correct answer is option 4 i.e. 10
Given number is 624739854
Now we add 1 in all even digits and subtract 1 from all odd digits.
After the arrangement we get:
735628945
The 5th digit from the left end is 2 and the 4th digit from the right end is 8. so the sum is 8 + 2 = 10
Hence, the correct answer is 10.
On representing given word with numbers corresponding in English alphabetical series,
Clearly, 3 such pairs of alphabets are there: ST (forward) and GI, NT (backward).
How many meaningful English words can be made with the second, the fourth, the sixth and the seventh letters of the word STUMBLE using each letter only once in each word?
Given word: STUMBLE
Letters to be used: T, M, L and E since they are the 2nd, 4th, 6th
and 7th letters of the word
The words that can be formed using T, M, L and E are
The only meaningful word that can be formed is MELT.
Hence answer is one.
The position will be as follow:
Original Position
R
Z
N
Alphabetic Order
Thus, ‘1’ letter will be in same position.
Clearly, we can see that 5 such pairs are there → Forward: CG, AE; Backward: EG, LN, AC.
Given number – 647358
Thus, we get two pairs,
Forward → (4,8)
Backward → (3,6) and (5, 7)
The correct answer is option 3 i.e. 3
So, we get IK, KL and IL.
Hence, the correct answer is 3.
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