Math, asked by Kritu16, 8 months ago

If 21×5 is a multiple of 9, where x is a digit, what is the value of x?

Answers

Answered by Anonymous

1

2115 is divisible by 9 ....

therefore x = 1 .........

Answered by kerret

1

Answer:

1

Step-by-step explanation:

divisibility test for 9:

when the sum of the digits is a multiple of 9

here, 2+1+1+5=9

which is the multiple of 9

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