How many pairs of letters are there in the word " CASTRAPHONE" which have as many letters between them in the word as in the alphabet?
A) 2
B) 3
C) 4
D) 5
Answer: D) 5
Explanation:
Looking into the alphabets there are five such pairs namely ON, HONE, ST, TRAPHO, RAP.
1. ON - NO
2. HONE - EFGH
3. ST - ST
4. TRAPHO - OPQRST
5. RAP - PQR
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