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  1. 1307 x 1307 =?
    1. 1601249
    2. 1607249
    3. 1701249
    4. 1708249
Correct Option: D

1307 x 1307 = (1307)2
= (1300 + 7 )2
= (1300)2 + (7)2 + 2 x 1300 x 7
= 1690000 + 49 +18200
= 1708249


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