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Today's Brain Teaser

What will be the unit digit in the following product

                                (741)112 × (349)102

Come back tomorrow for the correct answer to this teaser.
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Answer for yesterday's Brain Teaser

Identify the next number in the series

2, 10, 30, 68, 130…….


Answer

 222

Explanation: Each number in the above series can be written as the sum of cube of a number and that particular number. So,

2 = 1 + 1 = (1)3 + 1

10 = 8 + 2 = (2)3 + 2

30 = 27 + 3 = (3)3 + 3

68 = 64 + 4 = (4)3 + 4

130 = 125 + 5 = (5)3 + 5

So, the next number in the series will be = (6)3 + 6 = 216 + 6 = 222

Hence the answer is 222.

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