Question:medium
If there are 3 alphabets in the English series between the alphabets written against numbers 10 and 22, then how many alphabets are there between the alphabets written against numbers 18 and 22?
If there are 3 alphabets in the English series between the alphabets written against numbers 10 and 22, then how many alphabets are there between the alphabets written against numbers 18 and 22?
Show Hint
“$k$ alphabets between” two letters means a gap of $k+1$ in positions. Use $A=1,\dots,Z=26$ for quick checks.
Updated On: Aug 18, 2026
- Three
- Five
- One
Four
Show Solution
The Correct Option is C
Solution and Explanation
Step 1: Position 10 = P (16th letter), position 18 = N (14th letter).
Step 2: "3 letters between 10 and 22" forces the letter at 22 to be 4 places from P, i.e. L (12th) or T (20th); since T is already used, position 22 = L.
Step 3: Between N (14th) and L (12th), only M (13th) lies in between.
\[ \boxed{\text{One}} \]
Step 2: "3 letters between 10 and 22" forces the letter at 22 to be 4 places from P, i.e. L (12th) or T (20th); since T is already used, position 22 = L.
Step 3: Between N (14th) and L (12th), only M (13th) lies in between.
\[ \boxed{\text{One}} \]
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