## Ismaiel Kalady is teaching live on Unacademy Plus

TEST OF DIVISIBILITY PART 1 RULES FROM 2 TO 11 SHORTCUT TRICKS FOR KERALA PSC

Course Contents Basic Concept of Divisibility Divisibility Rules from 2 to 11 Shortcut Tricks in divisibility Applying divisibility rules in other topics Previous year PSC Questions included

Divisibility rule aiel Kalady A divisibility rule is a shortcut way of determining whether a given integer is divisible by a number without performing the division, usually by examining its digits If a number is fully divisible, then the remainder will be zero Divisibility rules up to 11 are important in all competitive exams

Divisibility by 2 A given number is divisible by 2, if its unit digit is any one of 0, 2,4, 6 and 8.

Divisibility by 2 A given number is divisible by 2, if its unit digit is any one of 0, 2,4, 6 and 8. 38, 176, 1004, 112220, etc.. are divisible by 2 x 47, 235, 1325, 102223, etc.. are not divisible by 2

Divisibility by 4 . A given number is divisible by 4, if the number formed by its last two digits is divisible by 4 or the last two digits are 00.

Divisibility by 4 . A given number is divisible by 4, if the number formed by its last two digits is divisible by 4 or the last two digits are 00. 196, 2004, 134500, etc. are divisible by 4 x 174, 1233, 23450, etc.. are not divisible by 4

Divisibility by 8 A given number is divisible by 8, if the number formed by its last three digits is divisible by 8 or the last three digits are 000.

Divisibility by 8 A given number is divisible by 8, if the number formed by its last three digits is divisible by 8 or the last three digits are 000. 176, 1000, 133008, etc. are divisible by 8 x 147,2305, 13111, 102002, etc... are not divisible by 8

1. Which is leap year among the following ones? a) 1994 b) 2010 c) 2002 d) 1996 . Ans