Question

2. The missing digit which makes 345 * 02 divisible by 11,
is
(1) 8
(2) 7
(3) 6
(5) None of these
​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

 None of these is the correct answer.

Given:

an incomplete number-  345*02

To find:

The missing digit which makes 345 * 02 divisible by 11

Solution:

the divisibility rule of 11:

if a five-digit number 'abcde' is divisible by 11, then:

-a +b -c +d -e should be equal to or divisible by 11 or should be 0.

here, we need to go by options.

• substituting option a, 8:

+3 -4 +5 -8 +0 -2 = -6

so, option a is not the answer

• substituting option b, 7:

+3 -4 +5 -7 +0 -2 = -5

so, option b is not the answer

• substituting option b, 6:

+3 -4 +5 -6 +0 -2 = -4

so, option c, too,  is not the answer

Hence,  None of these is the correct answer.

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