Question : Direction: How many such pairs of letters are there in the word 'RECOVERED', which have as many letters between them in the word as in the English alphabet?
Option 1: THREE
Option 2: FOUR
Option 3: SIX
Option 4: FIVE
Correct Answer: FOUR
Solution :
Given:
RECOVERED
First, check the sequence of the letters from the left hand side –
| R | E | C | O | V | E | R | E | D |
| R | S | T | U | V | W | X | Y | Z |
| E | F | G | H | I | J | K | L | |
| C | D | E | F | G | H | I | ||
| O | P | Q | R | S | T | |||
| V | W | X | Y | Z | ||||
| E | F | G | H | |||||
| R | S | T | ||||||
| E | F |
Two pairs determined from the above sequence are– (R, V); (O,R).
Now, check the sequence of the letters from the right hand side –
| R | E | C | O | V | E | R | E | D |
| L | K | J | I | H | G | F | E | D |
| L | K | J | I | H | G | F | E | |
| X | W | V | U | T | S | R | ||
| J | I | H | G | F | E | |||
| Z | Y | X | W | V | ||||
| R | Q | P | O | |||||
| E | D | C | ||||||
| F | E |
Two pairs determined from the above sequence are– (D, E); (O,R).
Therefore, four pairs of letters are there in the given words: (R,V); (O, R); (D,E); (O,R).
Hence, second option is correct.
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