Chapter:

कर्णाली-प्रदेश-प्रशासन-सेवा-सहायकस्तर-चौथो-तहको-परीक्षा-||-karnali-pradesh-admin-service-sahayak-level-4-exam

Fill blank in series.

`22, 24, 28, ?,52, 84`