Answer: Option D
Explanation:
A number ending in 8 can never be a perfect square.
Answer: Option A
2|64009( 253 |4 |---------- 45|240 |225 |---------- 503| 1509 | 1509 |---------- | X |----------
64009 = 253.
625 x 14 x 11 is equal to: 11 25 196