Math, asked by kkk80, 1 year ago

if 21y is a multiple of 9 where y is a digit what is the value of y

Answers

Answered by royricha42002
4
21y = 9
y = 9/21
y = 0.428
Hope this helps you.

aniketpradhan62: no........21y is a multiple of 9......... not=9!
kkk80: wt mean sir
kkk80: i say 21 y5 is multiple of 9
Answered by aniketpradhan62
0
21y is a multiple of 9
=>21y must be divisible by 9..

2+1+y= 9
=>y = 6
To make it divisible by 9,
y must be 6..

Hope it helps...

kkk80: sorry this ans is wrong
aniketpradhan62: sorry.......... i made it correct now...
kkk80: okk
kkk80: my ques is if 21 y5 multiple of 9 then calculate value of y
aniketpradhan62: 21y5 is the multiple of 9.....then y is 1 !
kkk80: ysss...ri8 ans
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