Crypt arithmetic questions: INFOSYS and ELITMUS (easy and medium level)
12:17
HOW TO FIND THE RANK OF A WORD IN DICTIONARY- WITH AND WITHOUT REPETITION OF LETTERS
51:46
Percentage - Shortcuts & Tricks for Placement Tests, Job Interviews & Exams
34:26
Factoring Polynomials Part 1
46:18
Fractions and Decimals - Shortcuts & Tricks for Placement Tests, Job Interviews & Exams
14:31
Cryptarithmetic Rules
5:29