What comes at X and Y respectively in the following sequence? January, January, December, October, X, March,…
What comes at X and Y respectively in the following sequence?
January, January, December, October, X, March, October, Y, September
July, May
July, April
June, May
June, April
Solution
Treating months as numbers (Jan=1 ... Dec=12), the sequence is 1, 1, 12, 10, X, 3, 10, Y, 9. The differences between consecutive terms follow a decreasing pattern. Applying the established pattern of differences, X = July and Y = April.