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What will be the number if we exchange the hundreds-place digit with the ten-thousands place digit in the number 89742?

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87942

78942

79842

answer is D.

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Detailed Solution

The given number is 89742.

TenThousands	Thousands	Hundreds	Tens	Ones
8	9	7	4	2

If we exchange the hundreds-place digit with ten-thousands place digit, we get

TenThousands	Thousands	Hundreds	Tens	Ones
7	9	8	4	2

Hence, the required number is 79842.

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