 # NCERT Exemplar Solutions Class 8 Mathematics Solutions for Playing with Numbers - Exercise in Chapter 13 - Playing with Numbers

A four-digit number aabb is divisible by 55. Then possible value(s) of b is/are

(a) 0 and 2

(b) 2 and 5

(c) 0 and 5

(d) 7

The correct answer is option (c) 0 and 5

Explanation:

It is known that if a number is divisible by 55, then the number should be divisible by the factors of 55. It means that the number aabb is divisible by 5. By using the divisibility test of 5, it must be 0 or 5.

Video transcript
"hi students i am debji dhawal tutor at leader learning i teach maths and science and i love these two subjects as well so today we have a question from maths what's the question a four digit number aabb is divisible by 55 then the possible values of b is or are a b c and d so let's check so it is known right it is known that i'm just writing it down for your convenience it is known that if a number is divisible by 55 then the number should be divisible by its factor also the number should be divisible i'm just writing it down for your convenience by factor of 55 right factor of 55 that means we can also say that the number aabb a a b p is divisible by 5 y 5 cos 5 is a factor of 55 by using divisibility test of 5 okay i'm just writing it down right by using divisibility test of five so it must be how much it must be we know answer it must be zero or five so we have our answer and the correct answer is option c 0 and 5 okay the character answer is option c 0 and 5. so i hope you like this video subscribe to our channel for more updates if you have any doubt or query you can comment in the comment section and reach out to us see you soon in the leader classes come have a class with us take care and bye bye "
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