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  1. What will be the unit’s digit in the product of (2467)153 × (341)72 ?
    1. 3
    2. 1
    3. 7
    4. 9
Correct Option: C

The unit’s digit in (2467)153 = The unit’s digit in (7)153 = The
unit’s digit in (7)1 = 7
and the unit’s digit in (341)72 = 1
Because for any index to 1, the value of unit’s digit will be 1.
∴  The unit’s digit in the product of (2467)153 × (341)72 = 7 × 1 = 7



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