Math, asked by roshannithil, 1 year ago

: The number 225A85 is divisible by 11. Find A

Answers

Answered by antareepray2
10

If the number is divisible by 11; then,

(5+A+2)-(8+5+2) = 0 or multiple of 11

or, 7+A - 15 = 0 or multiple of 11

or, A - 8 = 0 [as A is a single digit ]

or, A = 8

HOPE THIS COULD HELP!!!


roshannithil: super sum
Answered by lj9424459779
6

Answer:

Procedure: as we know that to know that how a No. Is divisible by eleven

225A85 we will see alternatively subtract and add

So

2-2+5-A+8-5= 0 or a no. Divisible by 11

0-A=-8

-A=-8 (minus cancels)

A=8

Now we can say 8 is answer to check

2-2+5-8+8-5= 0

Hence 225885 is divisible by 11

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