Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers ? 1 2 3 4 5 6 7 8 9 2 4 6 8 9 7 5 3 1 9 8 7 6 5 4 3 2 1
Answer: B. 4
There are 27 numbers in the given sequence. So, middle number = 14th number = 9. Clearly, the third number to the left of this 9 is 4.