Question

What are the next letters? CD HI MN RS

Answer 1

The correct answer should be "WX". This is because they follow the pattern that occurs where we have 3 letters in between the next two letters. This doesn't occur at the beginning however as we have only ab before CD, however at the end you are left only with the yz letters. The occurring pattern is ab CD efg HI jkl MN opq RS tuv WX yz