Table of 19 | 19 Ki Table | Trick to learn table of 19 #shorts #mathstrick #mathshortcuts #maths

Find the value 62% of 19+38% of 19.

Introduction of d-block elements: - position in periodic table| Trick to learn d-block elements and d-block elements vs transition elements

Important Time Saving Short Trick / Shortcut For JEE Main 2019 Maths

18!+19!

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VII of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17, 19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?