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Instructions
Following questions are based ,on the lice three digit numbers given below :
591 462 318 675 924
Question 187
If the positions of the first and the third digits of each of the numbers are interchanged, how many even numbers will be formed ?
Solution
After the first and the third digits are interchanged :
591 $$\Leftrightarrow$$ 195
462 $$\Leftrightarrow$$ 264
318 $$\Leftrightarrow$$ 813
675 $$\Leftrightarrow$$ 576
924 $$\Leftrightarrow$$ 429
There are only 2 even numbers = 264, 576
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