Funny Tricks To Memorize Major Elements of PERIODIC TABLE ( Hindi + English)

Determination OF Period, Block, Group (When Atomic Number is Given) || Exceptional Electronic Configuration OF Periodic Table (Short Trick to Memorise) || Typical Elements || Representative Elements || Diagonal Relationship || Bridge Element || Transition Elements

Position Of Elements In Periodic Table

Periodic Properties Of Elements - Introduction To Periodic Table

The elements of a group in the periodic table

Description OF Periods OF Modern Periodic Table(PT) || Max. No. OF Elements in a PT (Jh trick) || Classification OF Elements on the Basis OF Modern PT || S-BLOCK

In a class of 70 students, each student passed Hindi or English. Of them, 15 students passed both Hindi and English, and 40 students passed Hindi. Find the number of students who passed English.

In a class of 70 students, each student passed Hindi or English. Of them, 15 students passed both Hindi and English, and 40 students passed Hindi. Find the number of students who passed English.