Sarkari RiseLogin
SSC CHSL 2025 · PYQ · Alphanumeric Series · medium

What comes next in the following series? Z4, Y9, X25, W49, V121, ?

  1. A.T289
  2. B.U289
  3. C.V169
  4. D.U169✓ Correct

Explanation

Letters decrease alphabetically: Z,Y,X,W,V,U. Numbers are squares of primes: 2²=4, 3²=9, 5²=25, 7²=49, 11²=121, 13²=169. So the next term is U169.
💡 Practice unlimited SSC CHSL PYQs + AI-tracked progress on each topic. Sign up free →

Want more SSC CHSL practice?

Free daily 10-Q quiz · adaptive mocks · 4,000+ verified PYQs · AI doubt solver in Hindi + English

Sign up freeMore Alphanumeric Series practice